Callejón-Ferre, A.J., J. Pérez-Alonso, J. Sánchez-Hermosilla, and A. Carreño-Ortega. “Ergonomics and Psycho-Sociological Quality Indexes in Greenhouses, Almería (Spain)”. Spanish Journal of Agricultural Research 7, no. 1 (March 1, 2009): 50-58. Accessed February 24, 2025. https://sjar.revistas.csic.es/index.php/sjar/article/view/397.