Hakim, Muhammad Syaffana Taufikul. “ANALISA BEBAN KERJA FISIK DENGAN MENGGUNAKAN CARDIOVASCULAR LOAD (CVL) DAN KINERJA OPERATOR MENGGUNAKAN TEKNIK CAPABILITY PROCESS PADA DEPARTEMEN COAL PREPARATION PLANT &Amp; OPERATION (Studi Kasus: PT. KALTIM PRIMA COAL)”. Journal of Industrial Innovation and Safety Engineering 2, no. 2 (October 1, 2025): 72–77. Accessed April 29, 2026. https://journal.itk.ac.id/index.php/jinseng/article/view/787.