Basyaruddin B. Application of Sludge and Manure on Subsoils as Medium of Palm Oil Seedling (Elaeis guineensis Jacq). IJSBAR [Internet]. 2017 Mar. 19 [cited 2024 May 18];32(2):95-104. Available from: https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/6957