Sapruwan, M. (2017) “DEVELOPMENT MODEL OF ADMINISTRATOR COMPETENCE STANDARD OF OIL PALM PLANTATION”, IJER - INDONESIAN JOURNAL OF EDUCATIONAL REVIEW, 3(1), pp. 61 - 69. Available at: http://103.8.12.212:33180/unj/index.php/ijer/article/view/1201 (Accessed: 8June2025).