Tharindra, Hemajith, Gregory Daniel Brown, Kayla Stankevitz, Ashley Schoenfisch, Sarath Amarasinghe, Vijitha De Silva, L. Gayani Tillekeratne, and Truls Østbye. 2018. “Depressive Symptoms and Perceived Stress Among Estate Rubber Tappers in Southern Sri Lanka”. International Journal of Occupational Safety and Health 6 (1):2-7. https://doi.org/10.3126/ijosh.v1i1.15379.