Effectiveness of using programmed instructional materials in teaching chemistry in secondary schools /

Antzeko izenburuak

• Effectiveness of programmed instruction in the teaching of mathematics at secondary school level /
  nork: V.Das, P.R
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• Instruction in indian secondary schools
  nork: Macnee, E A
• Instruction in indian secondary schools
  nork: Macnee, E A
• Instruction in indian secondary schools
• Instruction in Indian Secondary schools A book on school management and methods of teachings /
  nork: Machnee, Ea
  Argitaratua: (1959)