Introduction to principles of plant pathology. Ed 3 - R.S. Singh (Newdelhi Oxford and IBH Publishing Co. Pvt Ltd, 1995)
R.S. Singh: Introduction to principles of plant pathology. Ed 3. (3rd Ed) Newdelhi. Oxford and IBH Publishing Co. Pvt Ltd, 1995. 81-204-0178-6--(632.3SIN)
ENGLISH