Singh, R. (1978). Plant diseases. (4th ed.). Oxford & IBH.
Tohutoru Kātū Chicago (17th ed.)Singh, R.S. Plant Diseases. 4th ed. New Delhi: Oxford & IBH, 1978.
Tohutoro MLA (9th ed.)Singh, R.S. Plant Diseases. 4th ed. Oxford & IBH, 1978.
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