Assesment Work Fatigue To Workers In Environment Underground Mining Areas Based On Fatigue Assesment Scale QuestionnairesSiti Rachmawati, Miftaqul Aktsari, Anis Suryaningsih, Hashfi Hawali Abdul Matin and Iwan SuryadiE3S Web Conf., 202 (2020) 05013DOI: https://doi.org/10.1051/e3sconf/202020205013