Erna Lestari Rambe and Dedi Nofrizal (2022) “Effect of Work Motivation and Professional Competence about the Performance of Teachers in SMP N Tebing Tinggi, Meranti Islands Regency”, Formosa Journal of Sustainable Research, 1(7), pp. 1185–1198. doi: 10.55927/fjsr.v1i7.2188.