“Penerapan Sistem Kesehatan Dan Keselamatan Kerja Menggunakan Metode Strenght Dan Weakness Di PT Energi Cahaya Industritama Samarinda Provinsi Kalimantan Timur: Implementation of Occupational Health And Safety Systems Using Strenght And Weakness Method In PT Energy Cahaya Industritama Samarinda East Kalimantan Province” (2022) MINERAL, 7(2), pp. 22–28. doi:10.33019/mineral.v7i2.3363.