Intara, Yazid Ismi, Abimanyu Dipo Nusantara, Supanjani Supanjani, Zulbahrum Caniago, and Riska Ekawita. 2018. “Oil Palm Roots Architecture in Response to Soil Humidity”. International Journal of Oil Palm 1 (2):79-89. https://ijop.id/index.php/ijop/article/view/11.