Basak, Ranjan Kumar Fertilizers : A Text Book / Ranjan Kumar Basak. - 4th rev. & enl. ed. - Ludhiana : Kalyani Publishers, 2016, [reprinted 2019] - 504 p.: ill.; 25 cm. ISBN: 9789327259575 Subjects--Topical Terms: Fertilizers Dewey Class. No.: 631.8 / BAF 2019