About the Authors

Benoît B. KOUBALA

Department of Life and Earth Sciences, Higher Teacher’s Training College of Maroua, University of Maroua, Maroua, Cameroon
Department of Chemistry, Faculty of Sciences, University of Maroua, Maroua, Cameroon

Alphonse LAYA

Department of Life and Earth Sciences, Higher Teacher’s Training College of Maroua, University of Maroua, Maroua, Cameroon

Harouna MASSAÏ

Department of Chemistry, Faculty of Sciences, University of Maroua, Maroua, Cameroon
Department of Chemistry, Faculty of Sciences, University of Ngaoundéré, Ngaoundéré, Cameroon

Habiba KOUNINKI

Department of Life and Earth Sciences, Higher Teacher’s Training College of Maroua, University of Maroua, Maroua, Cameroon

Elias N. NUKENINE

Department of Biological Sciences, Faculty of Sciences, University of Ngaoundéré, Ngaoundéré, Cameroon

Corresponding Author

Email: bkoubala@yahoo.fr