Sutirman, Sutirman, Universitas Negeri Yogyakarta, Indonesia

• Vol 14, No 1 (2019): June 2019 - Articles
  Developing Contextual Learning Videos on Course of Administration Education Research Methodology
  Abstract  PDF
• Vol 16, No 1 (2021): June 2021 - Articles
  The Utilization of Instructional Media by the Vocational High Schools Teacher
  Abstract  PDF