2013. IMPLEMENTASI VERTEX GRAPH COLOURING, PARTICLE SWARM OPTIMIZATION, DAN CONSTRAINT BASED REASONING UNTUK UNIVERSITY TIMETABLING PROBLEM (STUDI KASUS: FTI UNTAR). Jurnal Ilmu Komputer dan Sistem Informasi. 1, 1 (Jan. 2013), 97–104. DOI:https://doi.org/10.24912/jiksi.v1i1.3078.