MUNIR , Imran; MAHMOOD, Kashif; SHAFQAT, Zaeem; GHAFFAR, Muniba. Procurement 4.0 and Sustainable Supply Chain Performance: The Mediating Role of Procurement Process Optimization (PPO). Pakistan Journal of Humanities and Social Sciences, [S. l.], v. 11, n. 4, p. 4151–4169, 2023. DOI: 10.52131/pjhss.2023.1104.0681. Disponível em: https://journals.internationalrasd.org/index.php/pjhss/article/view/1818. Acesso em: 19 may. 2024.