Introduction to principles of plant pathology
SINGH, R.S
Introduction to principles of plant pathology - 2nd ed - New Delhi 1978 - 390p
PLANTS -- DISEASES AND PESTS
PLANTS -- DISEASES AND PESTS
581.2 S48I
Introduction to principles of plant pathology - 2nd ed - New Delhi 1978 - 390p
PLANTS -- DISEASES AND PESTS
PLANTS -- DISEASES AND PESTS
581.2 S48I