Items where Author is "Umar, A.A."

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Number of items: 22.

Article

Umar, A.A. and Zawawi, N.A.W.A. and Abdul Aziz, A.R. (2023) Do regional characteristics influence PPP contract governance skills requirements? Engineering, Construction and Architectural Management. ISSN 09699988

Datti, Y.U. and Abdullah Zawawi, N.A.W. and Umar, A.A. and Sutanto, M.H. and Danyaro, K.U. (2022) Challenges of Maturity Models in Public-Private Partnerships (PPPs) in the Post-COVID-19 Era. Journal of Engineering, Project, and Production Management, 12 (2). pp. 149-165. ISSN 22216529

Umar, A.A. and Zawawi, N.A.W.A. and Abdul-Aziz, A.-R. (2021) Malaysian regulators' ranking of PPP contract governance skills. Built Environment Project and Asset Management, 11 (1). pp. 88-102. ISSN 2044124X

Umar, A.A. and Saaid, I.M. and Halilu, A. and Sulaimon, A.A. and Ahmed, A.A. (2020) Magnetic polyester bis-MPA dendron nanohybrid demulsifier can effectively break water-in-crude oil emulsions. Journal of Materials Research and Technology, 9 (6). pp. 13411-13424. ISSN 22387854

Umar, A.A. and Saaid, I.M. and Sulaimon, A.A. and Pilus, R.M. (2020) Predicting the viscosity of petroleum emulsions using gene expression programming (GEP) and response surface methodology (RSM). Journal of Applied Mathematics, 2020. ISSN 1110757X

Belhaj, A.F. and Elraies, K.A. and Janjuhah, H.T. and Tasfy, S.F.H. and Yahya, N. and Abdullah, B. and Umar, A.A. and Ghanem, O.B. and Alnarabiji, M.S. (2019) Electromagnetic waves-induced hydrophobic multiwalled carbon nanotubes for enhanced oil recovery. Journal of Petroleum Exploration and Production Technology, 9 (4). pp. 2667-2670. ISSN 21900558

Abd Rahim, N.S. and Saaid, I.M. and Umar, A.A. (2019) Evaluation of foam performance at different temperature for enhanced oil recovery process. World Journal of Engineering, 16 (3). pp. 412-418. ISSN 17085284

Umar, A.A. and Zawawi, N.A.W.A. and Abdul-Aziz, A.-R. (2019) Exploratory factor analysis of skills requirement for PPP contract governance. Built Environment Project and Asset Management, 9 (2). pp. 277-290. ISSN 2044124X

Umar, A.A. and Saaid, I.M. and Pilus, R.M. and Sulaimon, A.A. and Negash, B.M. and Abd Rahim, N.S. (2019) Investigation of combined effects of wax, calcites and clay on emulsion stability using response surface methodology. World Journal of Engineering, 16 (6). pp. 751-767. ISSN 17085284

Umar, A.A. and Saaid, I.B.M. and Sulaimon, A.A. and Pilus, R.B.M. (2018) A review of petroleum emulsions and recent progress on water-in-crude oil emulsions stabilized by natural surfactants and solids. Journal of Petroleum Science and Engineering, 165. pp. 673-690. ISSN 09204105

Umar, A.A. and Zawawi, N.A.W.A. and Otairu, A.-G. and Othman, I. (2014) Private finance initiatives (PFI): Getting it right. Applied Mechanics and Materials, 567. pp. 601-606. ISSN 16609336

Umar, A.A. and Umar, U.H. and Ahmad, M. and Zawawi, N.A.W.A. and Aziz, A.R.A. (2014) STEMMING WATER-RELATED DEATHS IN SUB-SAHARAN AFRICA: THE PLACE OF ISLAMIC PROJECT FINANCE AND MALAYSIAN CONTRACTORS. ISRA International Journal of Islamic Finance, 6 (2). pp. 87-113. ISSN 01281976

Otairu, A. and Umar, A.A. and Zawawi, N.A.A. and Pakir, A.H.K. (2013) Public sector perception of barriers to the use of public-private partnerships (PPP) in nigeria-findings from a questionnaire survey. Research Journal of Applied Sciences, Engineering and Technology, 5 (9). pp. 2809-2820. ISSN 20407459

Umar, A.A. and Saaid, I.B.M. (2013) Silicate scales formation during asp flooding: A review. Research Journal of Applied Sciences, Engineering and Technology, 6 (9). pp. 1543-1555. ISSN 20407459

Umar, A.A. and Zawawi, N.A.W.A. and Khamidi, M.F. and Idrus, A. (2013) Stakeholder perceptions on achieved benefits of PFI procurement strategy. Modern Applied Science, 7 (4). pp. 31-40. ISSN 19131844

Conference or Workshop Item

Sulaimon, A.A. and Umar, A.A. and Sulaimon, A.-A.O. and Masri, A.N. and Bello, K.O. (2020) New non-SARA-based correlations for predicting asphaltene deposition. In: UNSPECIFIED.

Umar, A.A. and Saaid, I.M. and Sulaimon, A.A. and Pilus, R.M. and Amer, N.A. and Halilu, A. and Negash, B.M. (2019) Characterization of native colloids and study of emulsions stabilized by asphaltene, wax, silicates and calcites using optical analyzer turbiscan. In: UNSPECIFIED.

Umar, A.A. and Negash, B.M. and Saaid, I.M. and Sulaimon, A.A. and Pilus, R.M. and Shahpin, H.B.A. and Mohamed, A.S. (2017) Effects of selected process variables on the stability of petroleum emulsions co-stabilized by carbon black and surfactant. In: UNSPECIFIED.

Zawawi, N.A.W.A. and Umar, A.A. and Aziz, A.R.A. and Crouzier, O. and Khamidi, M.F. and Idrus, A. (2014) PFI procurement skills: A cross-sector survey of practitioners. In: UNSPECIFIED.

Otairu, A. and Umar, A.A. and Zawawi, N.A.W.A. and Sodangi, M. and Hammad, D.B. (2014) Slow adoption of PPPs in developing countries: Survey of nigerian construction professionals. In: UNSPECIFIED.

Zawawi, N.A.W.A. and Abdul-Aziz, A.R. and Khamidi, M.F. and Othman, I. and Idrus, A. and Umar, A.A. (2013) Private Finance 2 (PF2): Re-inventing the wheel? In: UNSPECIFIED.

Umar, A.A. and Idrus, A. and Khamidi, M.F. (2011) Barriers to the use of public-private partnerships for provision of public infrastructure in developing countries: A review. In: UNSPECIFIED.

This list was generated on Thu Dec 19 09:31:53 2024 +08.