Rama Putra Effendi, author
Universitas Ahmad Dahlan. Faculty of Public Health ; Universitas Ahmad Dahlan. Center for Occupational Safety and Health Studies (PS-K3), 2014
Artikel Jurnal
Rama Putra Effendi, author
Universitas Ahmad Dahlan. Faculty of Public Health, 2014
Artikel Jurnal
Artikel Jurnal
Medical Journal of Indonesia, 12 (3) Juli September 2003: 171-177, 2003
Artikel Jurnal
Nadeak, Christie Patricia Demak, author
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2016
UI - Skripsi Membership