R. K. Kusumaratna, A. R. Haerani, N. D. Sukma, and A. Z. Putri, “The effectiveness of information, education, and communication (IEC) methods on food safety and hygiene among food vendors during Ramadan”, Internat.Jrnl., vol. 7, no. 8, pp. 999–1006, Oct. 2024.