Rahman, A., Djafri, D. and Triana, V. 2019. The Risk Assessment of Occupational Safety Using Job Safety analysis ( JSA) at PT. P&P Lembah Karet Padang. KnE Life Sciences. 4, 10 (Feb. 2019), 365–376. DOI:https://doi.org/10.18502/kls.v4i10.3741.