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1. Environmental education/ P.R.Trivedi

by Trivedi, P.R.

Material type: book Book; Format: print ; Literary form: Not fiction Publisher: New Delhi: APH Publishing; 2004Availability: Items available for loan: University of Sargodha-Central Library [Call number: 370 TRE] (1).

2. Ecology / P. R. Trivedi.

by [Trivedi, P.R.].

Material type: book Book; Format: print ; Literary form: Not fiction Publisher: New Delhi : APH Publishing Corporation ; 2012Availability: Items available for loan: University of Sargodha-Central Library [Call number: 577.18 TRE] (1).