Martoyo, Ihan, Universitas Pelita Harapan, Sekolah Tinggi Teologi Reformed Indonesia (STTRI), Indonesia

• Jurnal Psikologi Teori dan Terapan Vol. 14 No. 03 (2023): Vol. 14 No. 3 (2023): Jurnal Psikologi Teori dan Terapan - Articles
  Grit, Student Academic Achievement and Factors Affecting It
  Abstract  PDF