Puji. (2019). HUBUNGAN PENGEMBANGAN DIRI DENGAN LOYALITAS KINERJA GURU SEKOLAH DASAR: THE CORRELATION BETWEEN SELF-DEVELOPMENT AND THE LOYALTY OF ELEMENTARY SCHOOL TEACHER PERFORMANCE. Perspektif Ilmu Pendidikan, 33(2), 107–112. https://doi.org/10.21009/PIP.332.4