Sumarno, Sumarno, Pendidikan Ekonomi, FKIP, Universitas Riau, Indonesia, Indonesia

• Vol 6, No 1: January 2022 - Articles
  The Effect of Principal Leadership and Teacher Work Spirit on Teacher Discipline in Elementary Schools
  Abstract  PDF
• Vol 6, No 1: January 2022 - Articles
  Analysis of Sustainable Teacher Professionalism Development of Post-Certification in SD Negeri Medang Kampai District, Dumai City
  Abstract  PDF