A. L. Rahayu, G. . Darmawan, and I. G. N. M. . Jaya, “Calculation of the Risk Index for Diarrhea, ISPA, and Pneumonia in Toddlers in the City of Bandung Using Geographically Weighted Principal Component Analysis”, IJAR, vol. 2, no. 4, pp. 285–300, Apr. 2023.