Juliana, Nur, Firnasrudin Rahim, and Endang Sri Mulyawati L. 2023. “Working Period, Humidity, Temperature to Subjective Fatique on Stone Breaker Worker in Parida Village: Stone Breaker”. Journal of Environmental and Safety Engineering 2 (1):57-65. https://journal.tritunas.ac.id/index.php/jese/article/view/114.