Analyzing the Aspects of Profitability of Charcoal Production and Marketing in Ibarapa Zone of Oyo State Nigeria - Oluwasola, Babatunde, Taiye; Solomon, Kehinde Abiodun; Omowunmi, Babatunde Oluyemisi; Johnson, Kehinde, Olujide (Current Strategies in Economics and Management Vol. 5, 2020)