Seminar on fertiliser marketing : proceedings of the seminar on fertiliser marketing, organised by the Fertiliser Association of India at New Delhi, December 6-8, 1968 / [edited by T. M. Alexander ... [et al.] - New Delhi : Fertiliser Association of India, 1969 - x, 342 p. : ill., facsims. ; 23 cm.


Fertilizer industry--Congresses

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