Olatunbosun, Babatunde Emmanuel, and Francis Olusesi Borokinni. 2018. “Comparative Analysis of Performance of R600a and R510a Refrigerants in a Retrofitted Refrigerating System”. Proceedings of Engineering and Technology Innovation 8 (April):32-39. https://ojs.imeti.org/index.php/PETI/article/view/1269.