Mohamad Machfudin Amirulloh, Sunarko and Dimas Aji Purnomo (2025) “IMPLEMENTATION OF SMK 3 IN IMPROVING WORK SAFETY ON ROAD INFRASTRUCTURE PROJECTS”, International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET), 4(8), pp. 1237–1243. doi: 10.54443/ijset.v4i8.810.