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Iyengar M., . (1974). A handbook of pharmacognosy. : M.A.Iyengar.
Iyengar M.A, . 1974. A handbook of pharmacognosy. : M.A.Iyengar.
Iyengar M.A, . A handbook of pharmacognosy. : M.A.Iyengar. 1974.
