Saptadi JD. PENINGKATAN PENGETAHUAN POSISI KERJA (MANUAL HANDLING) DI TOKO/SUPERMARKET WILAYAH BANGUNTAPAN. IJECS [Internet]. 2021 Apr. 30 [cited 2024 Nov. 24];2(1):25-31. Available from: https://journal.univetbantara.ac.id/index.php/ijecs/article/view/1210