Bees and the fertilization of coffee Fletcher, T. B. (Thomas Bainbrigge), 1878-1950 creator text book Madras Printed by the Superintendent, Govt. Press 1915 1915
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ENG Fertilization of plants Dept. of Agriculture, Madras. Vol. IV. - Bulletin, no. 69 https://www.biodiversitylibrary.org/bibliography/57687 10.5962/bhl.title.57687 NIC