JELITA SIRAIT; LISBET NOVIANTI SIHOMBING; SUKARDO SITOHANG. The Influence of Letter Card Media on Learning Outcomes of Class 1 Students in Learning Theme 1 Myself Subtema 2 Me and New Friends at SDN 091277 Pematang Siantar. International Journal of Integrated Science and Technology, [S. l.], v. 1, n. 4, p. 431–440, 2023. DOI: 10.59890/ijist.v1i4.635. Disponível em: https://www.journal.multitechpublisher.com/index.php/ijist/article/view/635. Acesso em: 27 apr. 2026.