Raj , G., & Mehra , H. (1975). Photo Chemistry. Goel publishing house.
Chicago Edition CitationRaj , Gurdeep, and Harish Mehra. Photo Chemistry. Uttarpradesh: Goel publishing house, 1975.
MLA Edition CitationRaj , Gurdeep, and Harish Mehra. Photo Chemistry. Goel publishing house, 1975.
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