Phuangbirisut, S., . N. Mongkontanawat, S. Tachai, and W. Lertnimitmongkol. “Antioxidant Activity of 3 Cultivars Rambutan Peel Extract in Chanthaburi Province”. Rajamangala University of Technology Srivijaya Research Journal, vol. 13, no. 1, Mar. 2021, pp. 146-5, https://li01.tci-thaijo.org/index.php/rmutsvrj/article/view/194038.