YUSDIANA, Y., SUKENDI , S., SIREGAR , Y. I., & AFANDI , D. (2025). SPATIAL MODELING OF RISK FACTORS FOR UNDER-FIVE PNEUMONIA IN ROKAN HILIR DISTRICT, INDONESIA. African Journal of Infectious Diseases (AJID), 19(2), 15–31. https://doi.org/10.21010/Ajid v19i2.3