Setyabudhi, Albertus Laurensius. “Determining Service Needs for Xxx Students in Batam Using Work Sampling”. Engineering and Technology International Journal 4, no. 01 (March 8, 2022): 1–7. Accessed July 10, 2026. https://www.mand-ycmm.org/index.php/eatij/article/view/159.