Marinus Waruwu, Prodi Administrasi Pendidikan, Universitas Kristen Satya Wacana, Salatiga, Indonesia

• JPI (Jurnal Pendidikan Indonesia) Vol. 11 No. 3 (2022): September - Articles
  Professional Development of Christian Education Teachers Based on Scientific Writing Products to Improve Learning Quality and Career Improvement Assisted Module
  Abstract  PDF