MASYITA. THE EFFECT OF GADGET USE ON PSYCHOSOCIAL DEVELOPMENT OF CHILDREN AGE (3-6 YEARS) IN TK PGRI DISTRICT POLEWALI MANDAR ACADEMIC YEAR 2017-2018. Bina Generasi : Jurnal Kesehatan , v. 10, n. 1, p. 121-134, 4 Mar. 2019.