Widianto, Eko Prasetya, et al. “PROACTIVE PUBLIC HEALTH APPROACH TO PREVENTION OF OCCUPATIONAL DISEASE ON FARMERS IN LUMAJANG”. International Conference of Kerta Cendekia Nursing Academy, vol. 1, no. 1, Sept. 2019, https://ejournal-kertacendekia.id/index.php/ICKCNA/article/view/85.