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Harahap R, Asaad M, Lindawati L. THE ROLE OF AGRICULTURE EXTENSION OF EMPOWERMENT AND DEVELOPMENT OF RICE SEED FARMERS GROUP. SOSIAL DAN EKONOMI PERTANIAN [Internet]. 28Jul.2020 [cited 22Sep.2020];14(1):25 -38. Available from: https://jurnalfp.uisu.ac.id/index.php/sep/article/view/46