Isa, N. S. M., Cheok, H. Y., Mohsin, A. Z., & MohdMaidin, N. M. (2024). The Effect of Different Citric Acid Concentrations on Physicochemical and Antioxidant Properties of Red Pitaya Peel Gummy Candies . Tropical Journal of Natural Product Research (TJNPR), 8(12), 9654 – 9663. https://doi.org/10.26538/tjnpr/v8i12.45