George A. Michael, Abong A. Agwul and Obi D. Akam
Garlov PE, Bugrimov BS, Rybalova NB
Nhivekar G.S. and Mudholkar R.R.
A. S. M. Raja, P. K. Pareek, D. B. Shakyawar, Sarfaraz. A. Wani, F. A. Nehvi and Asif H. Sofi
Neeraj Awasthy, Pratik Raval, Mohan Bhargava
R.Ejoba,B. A. Utu-Baku, R. U. Ukpanukpong, K. Dasofunji, M. N. Ugwu, A. A. Abong and R. N. Uyabeme
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