00433nam a2200121Ia 450000500170000000800410001708200200005810000290007824501270010726000270023430000130026165000370027420240821151643.0240821s9999||||xx |||||||||||||| ||und|| a371.32 MCC(NAT) aMcCullough, Constance M. 0aPreparation of textbooks in the mothertongue: A guide for those who write and those who evaluate textbooks in any language aNew DelhibNCERTc1965 aiii,126p aMethods of Instruction and Study