An Analysis of the Technical Efficiency of Non Motorized Small Scale Shrimp Fishers in the Coastal Areas of Delta State, Nigeria. Mediterranean Journal of Social Sciences, [S. l.], v. 6, n. 1, p. 285, 2015. Disponível em: https://www.richtmann.org/journal/index.php/mjss/article/view/5464.. Acesso em: 22 feb. 2024.