Mansur, H. ., and W. . Setyaningsih. “Analysis of parents’ Factors in Providing Developmental Stimulation Among Pre-School Age Children in Pakis Sub-District, Malang, East Java”. Public Health and Preventive Medicine Archive, vol. 9, no. 1, Aug. 2022, doi:10.53638/phpma.2021.v9.i1.p04.