Hartono. “STRATEGI MENGEMBANGKAN INSTRUMEN SURVEI KARAKTER PESERTA DIDIK”. PD ABKIN JATIM Open Journal System 1, no. 2 (December 21, 2020): 1-10. Accessed July 4, 2024. https://ojs.abkinjatim.org/index.php/ojspdabkin/article/view/80.