MUDYA, Dinda Ratna; YUDOKO, Gatot. INCREASING OVERBURDEN PRODUCTIVITY ACHIEVEMENT BY USING LEAN SIX SIGMA FRAMEWORK: A CASE STUDY OF MINING ACTIVITY AT PT. BETA BY CONTRACTOR PT. DELTA. Jurnal Darma Agung, [S.l.], v. 32, n. 2, p. 724 - 736, may 2024. ISSN 2654-3915. Available at: <https://jurnal.darmaagung.ac.id/index.php/jurnaluda/article/view/4231>. Date accessed: 21 nov. 2024. doi: http://dx.doi.org/10.46930/ojsuda.v32i2.4231.