Ricardo Lionel HOUNTONDJI Researcher at the University of Parakou, Department of Economics and rural sociology, University of Parakou, BP 123, Parakou, Benin Benin
S. TOVIGNAN Teacher-Researcher at the University of Parakou, Department of Economics and rural sociology, University of Parakou, BP 123, Parakou, Benin Benin
P.S. HOUNTONDJI Researcher at the University of Parakou, Department of Economics and rural sociology, University of Parakou, BP 123, Parakou, Benin. BP : 123 Parakou, Bénin Benin