Zendrato RL, Saputri RM, Tambunan R, Zahra R, Siregar DN. The Effectiveness of Tactile Sensory Play on the Cognitive Development of Infants Aged 12–15 Months in Mekar Sari Village, Deli Tua District. JPS [Internet]. 2025 Oct. 15 [cited 2025 Nov. 6];8(4):2252-61. Available from: https://journal-jps.com/new/index.php/jps/article/view/1125