Fonseca Alarcón, Yadira, and Alba Gutierrez Sierra. “Singapore Method As a Strategy for Understanding the Concept of Multiplication”. Revista Innova Educación 7, no. 3 (August 11, 2025): 47–63. Accessed July 7, 2026. https://revistas.inudi.edu.pe/rie/article/view/1323.