Oktamara R, Rahardyan B. Analysis of Carbon Footprint on The Supply Chain Activities of Main Transmission Material (MTU) PT PLN (Persero). IGSC [Internet]. 2025 Oct. 29 [cited 2026 Sep. 12];5(1). Available from: https://gcs.itb.ac.id/proceeding-igsc/index.php/igsc/article/view/483