Saxena, M. (1990). Environmental analysis water, soil and air (2ND.). Agro Botanical Publishers.
Chicago-stil citatSaxena, M.M. Environmental Analysis Water, Soil and Air. 2ND. Bikaner: Agro Botanical Publishers, 1990.
MLA-referensSaxena, M.M. Environmental Analysis Water, Soil and Air. 2ND. Agro Botanical Publishers, 1990.
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