P. Natasya, Y. Trisnawati, N. Febrianti, and S. Marwan, “Analysis of the Implementation of Full Day Calistung in Improving Ability (Reading, Writing, and Arithmetic) in Grade 1 Children at SDIT An-Nahl, Guguak District”, MARAWA, vol. 2, no. 2, pp. 148–162, Dec. 2023.