HERMAN, A. R. Chi-Square Analysis of the Percentage of the Bottom 40% Expenditure Group Aged 0–17 Years with Birth Certificate Ownership in Indonesia. Reflection: Education and Pedagogical Insights, [S. l.], v. 2, n. 2, p. 62–67, 2025. DOI: 10.61230/reflection.v2i2.134. Disponível em: https://firstcierapublisher.com/index.php/reflection/article/view/134. Acesso em: 3 sep. 2025.