Arge Wada, A.A.A., Astutik, E. , Siti Shofiya Novita Sari and Khan, R. 2024. COVERAGE OF TODDLER HEALTHCARE SERVICES AND PNEUMONIA OCCURRENCE IN SURABAYA, INDONESIA: AN ECOLOGICAL STUDY: Cakupan Pelayanan Kesehatan Balita dan Kejadian Pneumonia Balita Di Surabaya, Indonesia: Sebuah Ekologi Studi . Jurnal Berkala Epidemiologi. 12, 3 (Sep. 2024), 222–229. DOI:https://doi.org/10.20473/jbe.V12I32024.222-229.