et. al. MI. The Mediating Effect of Strategic Purchasing in Pre-Stressed Concrete Based Construction Project: A Case Study of Construction Contractor in Indonesia . TURCOMAT [Internet]. 2021 Apr. 28 [cited 2025 Oct. 14];12(10):6728 – 6739. Available from: https://www.turcomat.org/index.php/turkbilmat/article/view/5539