B. . Handoko, A. Zaky, Marian Tonis, T. M. Yoshandi, S. A. . Hasibuan, and A. Artata, “EFFORTS TO IMPROVE OCCUPATIONAL SAFETY AND HEALTH AT THE PATIN SALAI BUSINESS IN KAMPAR DISTRICT”, CDJ, vol. 5, no. 6, pp. 11239–11246, Nov. 2024.