ABU-BAKAR, S.H., MUHAMMAD-SUKKI, F., FREIER, D., RAMIREZ-INIGUEZ, R., MALLICK, T.K., MUNIR, A.B., YASIN, S.H.M., MAS'UD, A.A. and YUNUS, N.M. 2015. Performance analysis of a novel rotationally asymmetrical compound parabolic concentrator. Applied energy [online], 154, pages 221-231. Available from: https://doi.org/10.1016/j.apenergy.2015.04.122