T. H. I. Kondoj, J. A. . Solang, Y. Y. . Gumolili, D. C. . Sendow, and M. E. . Takaendengan, “Sustainability and Service Quality of Manado Beach Walk Tourism Objects in Supporting Manado City Tourism Industry”, JMAP, vol. 4, no. 1, pp. 34-43, Jun. 2024.