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Tso wu ping ch'ung hai fang chih hsüeh : nung hsüeh chi ch'u pan yung /

Other Authors:
Chung yang nung yeh kuang po hsüeh hsiao (China). Ho-nan sheng pan kung shih.
Format:
Book
Language:
Chinese
Subjects:
Agricultural pests Control China Study and teaching
View in NAL's Catalog:
CAT87870599