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Fadli, M.; Pasaribu, F.; Tirtayasa, S.; Tanjung, H. THE INFLUENCE OF COMPETENCE, SKILL AND EDUCATION OF FIELD AGRICULTURAL EXTENSION WORKERS ON THE QUALITY OF HUMAN RESOURCES OF FARMER GROUPS THE SUMURAN VILLAGE BATANGTORU REGENCY SOUTH TAPANULI. Jurnal Ekonomi 2023, 12, 569-576.