Shukla, R. S., & Chandel, P. S. (1991). A textbook of plant ecology, including ethnobotany and soil science (Revised ed.). S. Chand & Company Ltd..
Cita Chicago (17th ed.)Shukla, R. S., i P. S. Chandel. A Textbook of Plant Ecology, Including Ethnobotany and Soil Science. Revised ed. New Delhi: S. Chand & Company Ltd., 1991.
Cita MLA (9th ed.)Shukla, R. S., i P. S. Chandel. A Textbook of Plant Ecology, Including Ethnobotany and Soil Science. Revised ed. S. Chand & Company Ltd., 1991.
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