Chemestry School;
University of Haute Alsace;
Mulhouse;
France;
ENSET;
University of Douala;
Douala;
Cameroon;
ENSISA;
University of Haute Alsace;
Mulhouse;
France;
Faculty of Science;
University of Buea;
Buea;
Cameroon;
IUT FV de Bandjoun;
University of Dschang;
Dschang;
Cameroon;
Coconut; Shells; Drying; Model; Drying; Kinetics; Effective; Diffusivity; Activation; Energy;