Octaviana, W. et al. 2022. The effect of sensory playbook 30 days on the development of children aged 6-36 months in Ngawen District, Gunung Kidul Regency. Journal of Health Technology Assessment in Midwifery. 5, 1 (Jun. 2022), 58–65. DOI:https://doi.org/10.31101/jhtam.2452.