Sihombing, Donald, and Wahyu Handayati. “Effect of Mulch on the Growth and Yield of Polianthes Tuberosa”. KnE Life Sciences 2, no. 6 (November 26, 2017): 579-586. Accessed April 16, 2024. https://knepublishing.com/index.php/KnE-Life/article/view/1078.