ABSTRACT This study aims to (1) determine the marketing channels of rubber for UPPB members and non-UPPB members, (2) analyze the costs and marketing margins of rubber for UPPB members and non-UPPB members, (3) analyze the profit and farmer share members of UPPB and non-UPPB members, (4) to analyze the efficiency level of rubber marketing in Sentajo Raya District, Kuantan Singingi Regency. The …