ningsih, caci, supriyo supriyo, and heru mugiarso. “Konseling Individual Pendekatan Behavioral Teknik Behavior Contract Dalam Mengatasi Rendahnya Kemandirian Belajar”. Indonesian Journal of Guidance and Counseling: Theory and Application, Vol. 5, no. 3, Sept. 2016, pp. 19-23, doi:10.15294/ijgc.v5i3.13506.