HAZHA ZIRAR HUSSAIN. CERTAIN SUBCLASSES OF MEROMORPHICALLY P-VALENT FUNCTIONS WITH POSITVE OR NEGATIVE COEFICIENTS USING DIFFERENTIAL OPERATOR. Tikrit Journal of Pure Science, [S. l.], v. 21, n. 6, p. 173–179, 2023. DOI: 10.25130/tjps.v21i6.1098. Disponível em: https://tjpsj.org/index.php/tjps/article/view/1098. Acesso em: 18 jun. 2025.