Maqsood-ul-Haque, Suzihaque, and Nor Syazwani Md Shariffuddin. 2022. “Development of Biodegradable Food Packaging Incorporated With Pigment of Rose and Red Cabbage”. International Journal of Integrated Engineering 14 (5): 188-97. https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/11941.