Abdul Rahman, Nur Syuhadatul Akmal, and Nur Hafizah Malik. “Comparative Study Between Deep-Fat Frying and Air Frying of Sweet Potato Perkedel”. Enhanced Knowledge in Sciences and Technology, vol. 3, no. 2, Dec. 2023, pp. 344-5, https://publisher.uthm.edu.my/periodicals/index.php/ekst/article/view/10844.