pests and diseases of tropical crops: field handbook/ d.s. hill
By: "hill, d s. ".
Material type:
BookSeries: educational low-priced booksscheme.Publisher: uk : longman scientific 1990Edition: ed.Description: ", 432p.; 22 cm.".ISBN: 0 582 08169 6.Subject(s): --DDC classification: 632. 90202 hil
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