by Verma, O.P, Singh, R.D
Published in Indian journal of mycology and plant pathology (1973)

by Daftari, L.N, Verma, O.P
Published in Hindustan antibiotics bulletin (1973)

by Gemawat, P.D, Verma, O.P
Published in Indian journal of mycology and plant pathology (1972)

by Daftari, L.N, Verma, O.P
Published in Bulletin of grain technology (1972)

by Shukla, G.S, Verma, O.P
Published in International journal of insect morphology & embryology (1971)

by Verma, O.P, Walker, C.A
Published in Theriogenology (1974)

by Gemawat, P.D, Verma, O.P
Published in Madras Agr J (1971)

by Verma, O.P, Verma, G.P
Published in JNKVV Res J (1971)

by Verma, O.P, Singh, R.D
Published in Indian J Agr Sci (1970)

by Lal, H, Verma, O.P
Published in Indian J Poultry Sci (1970)

by Rajput R.L, Gautam D.S, Verma O.P
Published in Gujarat Agricultural University Research Journal (1993)

by Joshi B.C, Kumar S, Verma O.P, Chatterjee S.N, Jacob D
Published in Planta medica (1981)

by Verma, O.P, Kumar, S, Joshi, B.C
Published in Herba polonica (1980)

by Verma, O.P, Pathak, V.N
Published in Phytophylactica (1984)

by Verma O.P, Bhanot J.P, Verma A.N
Published in Journal of insect science (1989)

by Verma, O.P., Walker, C.A.
Published in Theriogenology (1974)

by Kataria P.K, Verma O.P, Pathak V.N
Published in Indian Journal of Mycology and Plant Pathology (1982)

by Sharma R.K, Verma O.P, Pathak V.N
Published in Indian Journal of Mycology and Plant Pathology (1982)

by Gupta, R.B.L, Singh, G, Verma, O.P
Published in Indian journal of mycology and plant pathology (1979)

by Gupta R.B.L, Singh G, Verma O.P
Published in Indian Journal of Mycology and Plant Pathology (1979)