›› 1976, Vol. 19 ›› Issue (2): 123-128.doi:
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WITH CLASS STRUGGLE AS THE KEY UNK．KEEPING A GOOD GRASP ON IDEOLOGICAL EDUCATION FOR LAUNCHING BROAD MASS MOVEMENT IN INSECT PEST AND CROP DISEASE PROGNOSIS AND CONTROL
- AGBICULTURAL BUREAU OF JI COUNTY, TIENTSIN MUNICIPALITY
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Online:1976-04-15
Published:1976-04-15
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