Analysis of Production and Marketing Efficiency of Tilapia in Pangean District, Kuantan Singingi Regency. Under the Guidance of Heriyanto, S.P., M.Si. Tilapia business is a business that has economic value and high demand. This business must be encouraged by increasing production, one of which is by optimizing production input factors. This study aims to analyze: (1) Characteristics of tilapia …