Saifullah, A. 2004. Gugus Kendali Mutu: Suatu Upaya Meningkatkan Kualitas Output STAIN Jember: Quality Control Circle: An Effort to Improve the Output Quality of the State Islamic College (STAIN) Jember. Fenomena. 3, 1 (Mar. 2004), 83–92. DOI:https://doi.org/10.35719/fenomena.v3i1.347.