Proceedings of the workshop on biological control of heliothis : Increasing the effectiveness of natural enemies - Office of International cooperation and Development (New Delhi Amerind Publishing Co Pvt Limited, 1985)
Office of International cooperation and Development: Proceedings of the workshop on biological control of heliothis : Increasing the effectiveness of natural enemies. New Delhi. Amerind Publishing Co Pvt Limited, 1985. 81-205-0090-3--(632.96OFF)
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