Akhter, Javed, S. I. Gilani, Muzaffar Ali, and S. Z. A. Gilani. 2018. “Design and Optical Modeling of a Low-Profile Stationary Concentrating Solar Collector for Medium Temperature Heat Supply”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC) 10 (1-12):65-71. https://jtec.utem.edu.my/jtec/article/view/3828.