ADELA ANITA; HERMANTO TINAMBUNAN; ANDRIANI EFFENDI; GABRIEL GLORIA OHEE. Small Investment, Big Impact: Engineering Economics Study on Early Childhood Education Infrastructure in the Era of Sustainable Development. Jurnal Ilmu Sosial dan Humaniora, [S. l.], v. 1, n. 3, p. 702–710, 2025. DOI: 10.63822/8zwnxv71. Disponível em: https://indojurnal.com/index.php/jisoh/article/view/659. Acesso em: 31 oct. 2025.