Hashim, Faiezah, Amirul Hafiz Zabri, Nor Hafizah Che Ismail, Siti Nor Din, and Nurul Aizan Mohd Zaini. 2024. “The Effect of Eggshell Powder (ESP) Filler on the Properties of Purple Sweet Potato (PSP) Starch Bioplastics”. Scientific Research Journal 21 (1):117-31. https://doi.org/10.24191/srj.v21i1.24253.