Ray Julio Pangow, Alen Memah, D. Busdan, I. P. F. Rorong, and Mauna Th. B. Maramis. “The Analysis of Economic Sector Potential in Surabaya Using Location Quotient, Shift Share, and Klassen Typology in 2015-2019”. Open Access Indonesia Journal of Social Sciences, Vol. 6, no. 1, Mar. 2023, pp. 898-05, doi:10.37275/oaijss.v6i1.148.