Widyastutik; Panjaitan, I. .; Malau, F. .; Fahreiza, Y. . Strategi Peningkatan Daya Saing Sektor Jasa Pariwisata Indonesia: Studi Kasus Jasa Pariwisata Danau Toba Dan Bali: Strategies for Increasing Competitiveness of Indonesia’s Tourism Services Sector: Case Study of Lake Toba And Bali Tourism Services. jabm 2020, 6 (2), 356. https://doi.org/10.17358/jabm.6.2.356.