Sakol Srisuklorm และ Rasmon Kalayasiri. (2019) Motivation to change smoking behavior of smokers at the Check - Up Clinic, King Chulalongkorn Memorial Hospital. <i>Chulalongkorn Medical Bulletin</i>, <i>1</i>(1), 061-069.Sakol Srisuklorm และ Rasmon Kalayasiri. "Motivation to change smoking behavior of smokers at the Check - Up Clinic, King Chulalongkorn Memorial Hospital". Chulalongkorn Medical Bulletin 1 (2019):061-069.Sakol Srisuklorm และ Rasmon Kalayasiri. Motivation to change smoking behavior of smokers at the Check - Up Clinic, King Chulalongkorn Memorial Hospital. Faculty of Medicine Chulalongkorn University:ม.ป.ท. 2019.