1.
Purwanto OD, Sudradjat S, Supijatno S. Determination of Nitrogen Fertilizer Requirement for Four-Year-Old Oil Palm. AJAS [Internet]. 2017 Dec. 16 [cited 2024 Apr. 20];5(6). Available from: https://www.ajouronline.com/index.php/AJAS/article/view/5097