Doddy, Tami Rusli. Economic Analysis of Increasing Sales Volume Efficiency Through Outsourcing Employee Work at Pt Warna Agung, Bandar Lampung . ICOMLOS [Internet]. 2022 Jan. 11 [cited 2024 Sep. 17];1(1). Available from: http://proceedingconference.ubl.ac.id/index.php/icomlos/article/view/20