Mallongi, Patmawati, Suryani As'ad, Veni Hadju, and Werna Nontji. 2015. “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) 24 (2): 119-27. https://www.gssrr.org/JournalOfBasicAndApplied/article/view/4543.