S. D. N. . Siahaan, A. K. . Rudyani, I. A. . Hasibuan, M. . Siburian, D. I. . Sitompul, and R. P. W. . Sagala, “Business Irregularities of Oyster Chicken Meatball Stalls in Bantul, Yogyakarta”, MINISTAL, vol. 2, no. 3, pp. 1007–1012, Sep. 2023.