1.
Marbun J. Determination Analysis Of World Coal Price Fluctuations Using The Vector Error Correction Model (VECM) Method. Eduvest [Internet]. 2025Apr.29 [cited 2025Jul.5];5(4):3876-93. Available from: http://www.eduvest.greenvest.co.id.submitjurnal.id/index.php/edv/article/view/44777