SAPUTRA, Y. Influence Multiplication, Substitution and Factors Friends Against Function Limits Algebra Class XI. PPSDP International Journal of Education, [S. l.], v. 3, n. 1, p. 33–47, 2024. DOI: 10.59175/pijed.v3i1.186. Disponível em: https://ejournal.ppsdp.org/pijed/article/view/186. Acesso em: 17 jun. 2026.