B.M.Sharma & A.S.Sharma. Encyclopaedia of education in 21st century: Physics education. Commonwealth.
Chicago Edition CitationB.M.Sharma and A.S.Sharma. Encyclopaedia of Education in 21st Century: Physics Education. New Delhi: Commonwealth.
MLA citiranjeB.M.Sharma and A.S.Sharma. Encyclopaedia of Education in 21st Century: Physics Education. Commonwealth.
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