R. U. Hasanah, M. S. . Maarif, N. . Zulbainarni, and M. J. . Affandi, “The Use of Soft System Methodology To Build A Conceptual Model for Strengthening Innovation of Entrepreneurs in Coastal Area of Jakarta”, IJBE, vol. 7, no. 2, p. 119, May 2021, doi: 10.17358/ijbe.7.2.119.