Maina, M. B., S. Shodiya, and A. T. Abdulrahim. 2019. “Application of Stearic Acid for Solar Thermal Energy Storage in a Double Compartment Solar Box Cooker”. ARID ZONE JOURNAL OF ENGINEERING, TECHNOLOGY AND ENVIRONMENT 15 (2), 385-94. https://www.azojete.com.ng/index.php/azojete/article/view/81.