Ramayanti, Ridha. 2017. “ANALISIS HUBUNGAN STATUS GIZI DAN IKLIM KERJA DENGAN KELELAHAN KERJA DI CATERING HIKMAH FOOD SURABAYA”. The Indonesian Journal of Occupational Safety and Health 4 (2):177-86. https://doi.org/10.20473/ijosh.v4i2.2015.177-186.