Flash Card Latsa "Lancar Tiga Bahasa" as an Optimization of Language Building Trigatra in Children's Language Development at Az-Ziyadah Elementary School Jember Journal title: International Journal of Social Science And Human Research Authors: Adi Saputra, AWiwin Badrusia Samsiani, ALita Nur Azila, AMuhammad Irvan Akbar, AAura Diva Nathania A... Subject(s): Economics, Humanities, Law, Social Sciences, Literature, Sociology of Education, Criminology, Public Administration