Riahi, A. and Zakaria, N.A. and Isa, M.H. and Zainol, M.R.R.M.A. and Singh, B.S.M. and Shaharuddin, S. and Fazly Yusof, M. (2020) Investigation on Productivity Enhancement of a Solar Still with Transparent Polythene Film Cover and Cylindrical Hollow Fins for Heat Storage. Journal of Ecological Engineering, 22 (1). pp. 95-103. ISSN 22998993

Riahi, A. and Zakaria, N.A. and Isa, M.H. and Wan Yusof, K. and Mahinder Singh, B.S. and Mustaffa, Z. and Takaijudin, H. (2019) Performance investigation of a solar still having polythene film cover and black painted stainless steel basin integrated with a photovoltaic module�direct current heater. Energy and Environment, 30 (8). pp. 1521-1535. ISSN 0958305X

Riahi, A. and Wan Yusof, K. and Isa, M.H. and Singh Mahinder Singh, B. and Mustaffa, Z. and Ahsan, A. and Ul Mustafa, M.R. and Sapari, N. and Zahari, N.A.M. (2018) Potable water production using two solar stills having different cover materials and fabrication costs. Environmental Progress and Sustainable Energy, 37 (1). pp. 584-596. ISSN 19447442

Olisa, E. and Sapari, N. and Malakahmad, A. and Ezechi, E.H. and Riahi, A. (2016) Enhancing landfill gas recovery- A review. Jurnal Teknologi, 78 (5-2). pp. 105-109. ISSN 01279696

Olisa, E. and Sapari, N. and Malakahmad, A. and Ezechi, E.H. and Riahi, A. and Salihi, I.U. and Orji, K.U. (2016) Evaluation of leachate characteristics from different leachate ponds in a semi-aerobic landfill. International Journal of Engineering Research in Africa, 22. pp. 68-82. ISSN 16633571

Olisa, E. and Sapari, N. and Malakahmad, A. and Ezechi, E.H. and Riahi, A. and Orji, K.U. and Alex-Ohunyon, O. and Salihi, I.U. (2016) Performance of sand channel as pre-treatment for anaerobic landfill bioreactor leachate and biogas generation. Journal of Environmental Science and Technology, 9 (1). pp. 100-110. ISSN 19947887

Riahi, A. and Wan Yusof, K. and Mahinder Singh, B.S. and Isa, M.H. and Olisa, E. and Zahari, N.A.M. (2016) Sustainable potable water production using a solar still with photovoltaic modules-AC heater. Desalination and Water Treatment, 57 (32). pp. 14929-14944. ISSN 19443994

Wanyusof, K. and Riahi, A. and Sapari, N. and Isa, M.H. and Zahari, N.A.M. and Olisa, E. and Khouna, K.M. and Singh, B.S.M. (2016) The performance investigation of three glass cover solar stills using different basin absorbents. In: UNSPECIFIED.

Olisa, E. and Sapari, N. and Malakahmad, A. and Orji, K.U. and Riahi, A. (2015) Detection of landfill gas in leachate pipe and pond of a semi-aerobic landfill. Chemical Engineering Transactions, 45. pp. 1687-1692. ISSN 22839216

Riahi, A. and Yusof, K.W. and Singh, B.S.M. and Olisa, E. and Sapari, N. and Isa, M.H. (2015) The performance investigation of triangular solar stills having different heat storage materials. International Journal of Energy and Environmental Engineering, 6 (4). pp. 385-391. ISSN 20089163

Riahi, A. and Yusof, K.W. and Isa, M.H. and Singh, B.S.M. and Malakahmad, A. and Sapari, N.B. (2014) Experimental investigation on the performance of four types of solar stills in Malaysia. Applied Mechanics and Materials, 567. pp. 56-61. ISSN 16609336

Riahi, A. and Yusof, K.W. and Isa, M.H. and Mahinder Singh, B.S. and Sapari, N. (2014) Solar stills productivity with different arrangements of PV-DC heater and sand layer in still basin: A comparative investigation. Research Journal of Applied Sciences, Engineering and Technology, 8 (11). pp. 1363-1372. ISSN 20407459

Sapari, N.B. and Mohd Ahmadan, N.A. and Riahi, A. and Orji, K.U. (2014) The performance of trapezoidal glass cover solar still during monsoon period of tropical environment. Applied Mechanics and Materials, 567. pp. 161-166. ISSN 16609336

Riahi, A. and Yusof, K.W. and Sapari, N. and Singh, B.S. and Hashim, A.M. (2013) Novel configurations of solar distillation system for potable water production. In: UNSPECIFIED.

Riahi, A. and Yusof, K.W. and Sapari, N.B. and Malakahmad, A. and Hashim, A.M. and Singh, B.S.M. (2013) Potable water production by using triangular solar distillation systems in Malaysia. In: UNSPECIFIED.