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41. Methods for collection and analysis of water samples /   Publication: Washington, D.C. : U.S. G.P.O., 1960 . ix, 301 p. : Date:1960 Availability: Copies available: Turkeyen Campus Science & Technology [TC801 U2] (1), Actions: Add to cart No cover image available No cover image available
42. Pesticide use and presence in surface waters :   Publication: Guyana : University of Guyana, 2022 . 134 p. : , A thesis submitted to the Faculty of Earth and Environmental Sciences in partial fulfilment of Master of Science in Environmental management in the University of Guyana. Date:2022 Availability: Copies available: Turkeyen Campus Processing Center [TD196.P38 B46] (2), Actions: Add to cart No cover image available No cover image available