MARTHA AYERZA ESRA. THE INFLUENCE OF PRODUCT DEVELOPMENT AND MARKETING COMMUNICATION ON INCREASING SALES VOLUME IN PT. GLOBAL UGGUL MANDIRI – PAXEL HEAD OFFICE, JAKARTA. International Journal of Social Science, [S. l.], v. 3, n. 2, p. 319–328, 2023. DOI: 10.53625/ijss.v3i2.6497. Disponível em: https://mail.bajangjournal.com/index.php/IJSS/article/view/6497. Acesso em: 5 jul. 2025.