W. R Wan Abdul Razak, N. J Mohamad Yusuf, A. Abdul-Aziz, S. K Navaratnam, I. Zubir, and E. E Rizlan Ross, “Screening and Isolation of Polyhydroxyalkanoates (PHA)-Producing Bacteria from Landfill by using Cocoa Pod Husks as Carbon Source”, IJET, vol. 7, no. 4.14, pp. 51–56, Dec. 2019, doi: 10.14419/ijet.v7i4.14.27470.