Mohd Zain, Fatin Arina, Norshazila Shahidan, Abdi Wira Septama, Haslaniza Hashim, Frederick Adzitey, Norliza Julmohammad, and Nurul Huda. 2021. “Physicochemical Properties of Duck Feet Gelatin Powder Extracted With Acetic Acid”. International Journal on Advanced Science, Engineering and Information Technology 11 (6):2174-79. https://doi.org/10.18517/ijaseit.11.6.16715.