Analysis of OHSAS 18001: 2007 standard renewal towards ISO 45001: 2018 at PT. Power Plant Indonesia by using gap analysis methodRamy Yahya, Naniek Utami Handayani and Bambang PurwanggonoSHS Web Conf., 49 (2018) 01009DOI: https://doi.org/10.1051/shsconf/20184901009