Karawake, K., W. Nutmagul, C. Navanugraha, and S. Suncharitgul. “The Usage of Gibberellin-Rich Seed-Waste for Vegetable Growth Enhancement: A Case Study of Rambutan Seed”. Environment and Natural Resources Journal, vol. 12, no. 2, Dec. 2014, pp. 7-17, https://ph02.tci-thaijo.org/index.php/ennrj/article/view/71194.