A.Valerie Solomon and Beulah E. Esu
L.S. Ayeni , O.M. Ayeni , O.P. Oso and S.O. Ojeniyi
A.K.S. Lobato , B.G. Santos Filho , R.C.L. Costa , C.F. Oliveira Neto , A.C.S. Meirelles , F.J.R. Cruz , G. A. R. Alves , H.K.B. Neves , J.D. Pita , M.J.S. Lopes , J.M.N. Freitas , B.S. Monteiro and R. Ferreira Ramos
Amit Kumar Srivastava and Thomas Gaiser
O.A. Adeleke , Y.L. Fabiyi , A. Ajiboye and H.M. Matanmi
J.C.Obi , A.O. Ogunkunle and O.O. Olatunji
I. Umar and S.Y. Simon
I. Umar and D. Chubado
O.A. Olaniyi , O.O. Adebayo , A.R. Ayoade and M.A. Okomah
Adepoju Oladejo Thomas and Oyewole Emmanuel Oyediran
O.W. Olowa and B.T. Omonona
I.A. Akpabio , B.B. Esu and M.O. Adedire
Hycenth Nahunnaro
O.N. Nwaogwugwu , C.M.N. Edna , A.C. Agumagu and O.M. Adesope
E.C. Chukuigwe , D.A. Week and O.J. Owen
S.L. Osborne , T.E. Schumacher and D.S. Humburg
Anjorin Samuel Toba
O.J. Saliu , S.I. Audu , M.E. Sanda , S.O. Aribido and M. Olaolu
O.I.Oladele and Obuh James
A.E. Adekoya and O.I. Oladele
J.C. Obi , A.O. Ogunkunle and T.O. Ibia
B.A. Adebowale and O. Olubamiwa
M. Gerogiannaki-Christopoulou , C. Tzoutzoukou and T. Masouras