Chirawatkul, Siriporn, Amorat Srikumsook Saito, Pranee Boonreong, Jeerapa Srirahut, and Thitiwat Kongkird. 2015. “Being a Male Drug User and Female Drug User: Meaning of Drugs Use”. Journal of the Psychiatric Association of Thailand 58 (4):407-20. https://he01.tci-thaijo.org/index.php/JPAT/article/view/21404.