Mallongi, P., S. As’ad, V. Hadju, and W. Nontji. “Morbidity and Immunity Levels of Children Aged 6-23 Months in South Central Timor of East Nusa Tenggara Province, Indonesia”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 24, no. 2, Aug. 2015, pp. 119-27, https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/4543.