UTARI, Ratna Sari Dewi; MACLAURIN HUTAGALUNG. Developing an Effective Marketing Strategy for Pop Up Class Business Products for Early Childhood. Amkop Management Accounting Review (AMAR), [S. l.], v. 6, n. 1, p. 1138–1149, 2026. DOI: 10.37531/amar.v6i1.3403. Disponível em: https://ojs.stieamkop.ac.id/index.php/amar/article/view/3403. Acesso em: 1 aug. 2026.