Efendi, M. 2007. KONTRIBUSI KINERJA TUTOR BELAJAR TERHADAP PERFORMA AKADEMIK PESERTA DIDIK PROGRAM PAKET C REMIDI. JIV-Jurnal Ilmiah Visi. 2, 2 (Dec. 2007), 79–86. DOI:https://doi.org/10.21009/JIV.0202.11.