“The Influence of Group Leadership, Groupthink, and Tacit Knowledege in Group Decision Making: Case Groups Supervised by KSPPS Baytul Ikhtiar” (2017) Jurnal Sains Komunikasi dan Pengembangan Masyarakat [JSKPM], 1(4), pp. 495–508. doi:10.29244/jskpm.1.4.495-508.