K. Kuperan Viswanathan, Sabirah Sulaiman, Lim Hock Eam,. «Improving Livelihood Options via Agriculture: A Case Study of Social Entrepreneurship, Kedah». Opción 350 (agosto 3, 2019): 1340-1355. Accedido febrero 19, 2026. https://www.produccioncientificaluz.org/index.php/opcion/article/view/24586.