“IMPLEMENTASI VERTEX GRAPH COLOURING, PARTICLE SWARM OPTIMIZATION, DAN CONSTRAINT BASED REASONING UNTUK UNIVERSITY TIMETABLING PROBLEM (STUDI KASUS: FTI UNTAR)”, jiksi, vol. 1, no. 1, pp. 97–104, Jan. 2013, doi: 10.24912/jiksi.v1i1.3078.