M. Naelul Mubarok, Kama Abdul Hakam, Aceng Kosasih, Momod abdul Somad, and Sri Mulya Nurhakiky. “The Effectiveness Of Implementing SBT (Students Behavior Target) Books In Improving The Character Of Student Learning Responsibility”. International Conference on Elementary Education, Vol. 5, no. 1, June 2023, pp. 437-45, http://proceedings2.upi.edu/index.php/icee/article/view/3177.