PRASTATI, TRINI. “PROGRAM EVALUATION ON TUTOR TRAINING AT OPEN UNIVERSITY”. Jurnal Evaluasi Pendidikan 2, no. 2 (October 30, 2011): 206 - 217. Accessed May 9, 2025. http://103.8.12.212:33180/unj/index.php/jep/article/view/2277.