Vikri, A., Siregar, S.H. and Mubarak 2020. POTENTIAL AREA ESTIMATION OF FISHING GROUND BASED ON THERMAL FRONT AND UPWELLING IN WEST SUMATERA WATERS IN EAST SEASON. Asian Journal of Aquatic Sciences. 3, 3 (Dec. 2020), 217-224. DOI:https://doi.org/10.31258/ajoas.3.3.217-224.