Kumala Sari, Eva Dwi, et al. “VALIDITY TEST CONSTRUCTION MEASURESEPG (TEACHER PROFESSIONAL ETHICS) ‘PERSONAL VALUE DIMENSION’”. IJER - INDONESIAN JOURNAL OF EDUCATIONAL REVIEW, vol. 6, no. 2, Jan. 2020, https://journal.unj.ac.id/unj/index.php/ijer/article/view/14074.