1. Dedy mulyasa, Education Quality and Competitive, PT.Youth Rosdakarya, Bandung, TH, 2011, H, 120.
2. E. Mulyasa, Became Principal Professional, PT, Teen Rosdakarya, TH, 2009, H, 97.
3. E. Mulyasa.Become Principal Professional, PT Remaja Rosdakarya, Bandung: 2009, H, 101
4. Ibrahim Bafadal, Elementary School Quality Improvement Management, Earth alphabet, TH, 2006, H, 6
5. Ministerial Regulation No. 63 of 2009