Sudrajat, Ajat, Universitas Negeri Medan, Indonesia

• Vol 11, No 1 (2022): Jurnal Pendidikan dan Pembelajaran Kimia - Articles
  Development of Three-Tier Diagnostic Test Instruments to Measure Misconceptions of Class X Students on Atomic Structure Material
  Abstract  PDF
• Vol 11, No 1 (2022): Jurnal Pendidikan dan Pembelajaran Kimia - Articles
  Development of Three-Tier Multiple Choice Diagnostic Test Instruments for Measuring Students’ Misconceptions in Chemical Bonding
  Abstract  PDF