A V MATHEW
ROLE OF WEEDS IN THE PERPETUATION OF VIRUS DISEASES OF VEGETABLES AND ORNAMENTAL PLANTS - MSc - COLLEGE OF AGRICULTURE VELLAYANI DEPARTMENT OF PLANT PATHOLOGY 1981
J:4 N81 MA 30
ROLE OF WEEDS IN THE PERPETUATION OF VIRUS DISEASES OF VEGETABLES AND ORNAMENTAL PLANTS - MSc - COLLEGE OF AGRICULTURE VELLAYANI DEPARTMENT OF PLANT PATHOLOGY 1981
J:4 N81 MA 30