A CERTAIN CLASS OF (J,K)- SYMMETRIC FUNCTION INVOLVING SIGMOID FUNCTION DEFINED BY USING SUBORDINATION PRINCIPLE. The Journals of the Nigerian Association of Mathematical Physics, [S. l.], v. 66, p. 39–46, 2024. DOI: 10.60787/jnamp-v66-308. Disponível em: https://nampjournals.org.ng/index.php/home/article/view/308.. Acesso em: 6 jul. 2024.