PUTRA, S. E.; RAHMAWATI, W.; SAVIRA, A. The Effect of Product Development and Product Quality Control on Sales Volume of Yakult Products in Indarung District, Padang City. INVEST : Jurnal Inovasi Bisnis dan Akuntansi, [S. l.], v. 3, n. 2, p. 258-266, 2022. DOI: 10.55583/invest.v5i1.980. Disponível em: http://www.journal.al-matani.com/index.php/invest/article/view/980. Acesso em: 5 jul. 2025.