OPTIMAL SELECTION OF HYDRAULIC TURBINES FOR SMALL HYDRO ELECTRIC POWER GENERATION – A CASE STUDY OF OPEKI RIVER, SOUTH WESTERN NIGERIA. NIJOTECH [Internet]. 2015 Jun. 30 [cited 2026 Apr. 19];34(3):530-7. Available from: https://mail.nijotech.com/index.php/nijotech/article/view/972