Christine Natalia PS Lehot, Christina Olly Lada and Pius Weraman 2025. THE INFLUENCE OF NUTRITIONAL INTERVENTION ON CHANGES IN KNOWLEDGE AND ATTITUDE OF MOTHERS OF UNDERNUTRITIONED CHILDREN IN THE WORKING AREA OF MANUTAPEN PUSKESMAS. International Journal of Social Science. 5, 1 (Jun. 2025), 109–116. DOI:https://doi.org/10.53625/ijss.v5i1.10581.