by Luthra, R.C, Gill, A.S
Published in J Res Punjab Agric Univ (1974)

by Luthra, R.C, Guliani, R.S
Published in J Res Punjab Agric Univ (1974)

by Sandhu, G.S, Luthra, R.C, Singh, J
Published in Indian journal of entomology (1978)

by Sandhu, G.S, Luthra, R.C, Singh, J
Published in Science & culture (1976)

by Luthra, R.C, Gill, A.S, Singh, K.B
Published in Indian farming (1973)

by Singh, K.B, Sohoo, M.S, Luthra, R.C, Gill, A.S
Published in Progr Farming (1972)