Keadthongthawee, S., and P. Havanond. “Relationship of the Quantity of Blood Lead Levels and the Knowledge, Work Practice, and Attitude of Workers in a Recycling Battery Factory in Nakhonsawan Province”. Applied Environmental Research, vol. 32, no. 2, June 2013, pp. 13-24, https://ph01.tci-thaijo.org/index.php/aer/article/view/9708.