VOLKODAV VLADYSLAV. Comparative Analysis of Quantitative and Qualitative Research Methods in Digital Product Design: Metrics, Data Validity, and Impact on Product Decisions. International Journal of Computer (IJC), Jordan, v. 56, n. 1, p. 309–320, 2025. Disponível em: https://www.ijcjournal.org/InternationalJournalOfComputer/article/view/2486. Acesso em: 16 jan. 2026.