Estella Achick Tembe, University of Yaounde, fokunangestella@yahoo.co.uk
 Bayaga Herve, University of Yaounde, hervenarcissebayaga@gmail.com
Njinkio Nono Borgia, University of Yaounde, njinkiononoborgia@gmail.com
 Gonsu Kamga Hortense, University of Yaounde, hgonsu@gmail.com 
Charles Fokunang,  University of Yaounde, charlesfokunang@yahoo.co.uk