Sambasevam, K., Yunos, N., Mohd Rashid, H., Baharin, S., Suhaimi, N., Raoov, M., & Shahabuddin, S. (2020). Optimization of Natural Colour Extraction from Dragon Fruit (Hylocereus polyrhizus) Peel. Scientific Research Journal, 17(2), 33-44. doi:10.24191/srj.v17i2.8989