Klemeš, J.J. and Varbanov, P.S. and Lam, H.L. and Yusup, S. (2016) Energy, Water and Environmental Footprint Interactions: Implications for the Major Economy Sectors of Europe, South East Asia and Worldwide. In: UNSPECIFIED.

Lidu, S.R. and Mohamed, N.A. and Klemeš, J.J. and Varbanov, P.S. and Yusup, S. (2016) Evaluation of the energy saving opportunities for palm oil refining process: Sahabat Oil Products (SOP) in Lahad Datu, Malaysia. Clean Technologies and Environmental Policy, 18 (8). pp. 2453-2465. ISSN 1618954X

Haleem, A.A. and Hashim, H. and Varbanov, P.S. and Yong, J.Y. and Klemeš, J.J. and Yusup, S. (2015) Case study: Optimisation of Federal Land Development Authority Jengka supply chain management using P-graph approach. Chemical Engineering Transactions, 45. pp. 1375-1380. ISSN 22839216