Md. Nizam, Nurelysha Eriena, and Hatijah Basri. “Preparation and Characterization of Fruit Smoothies Supplemented With Sissoo Spinach”. Enhanced Knowledge in Sciences and Technology, vol. 5, no. 1, Aug. 2025, pp. 172-80, https://penerbit.uthm.edu.my/periodicals/index.php/ekst/article/view/18423.