ANGELOVA, Gergana. EXPERIMENTAL MODEL WITH CREATIVE TECHNIQUES TO PROMOTE HAPPINESS IN CHILDREN. KNOWLEDGE - International Journal , [S. l.], v. 57, n. 2, p. 273–277, 2023. Disponível em: https://ojs.ikm.mk/index.php/kij/article/view/5999. Acesso em: 9 aug. 2026.