Gopal Swarup, Dasgupta D R Koshy, P K
Plant diseases - Newdelhi, Anmol publications 1989 - 395
81-7041-209-9
Plant diseases/plant parasitic nematodes
632. 651 82 GOP
100
Plant diseases - Newdelhi, Anmol publications 1989 - 395
81-7041-209-9
Plant diseases/plant parasitic nematodes
632. 651 82 GOP
100