Chorphaka Narkmit. (2020) Prevalence, Knowledge, Attitude and Behavior of Rational uses of Antibiotics and Steroid-Adulterated Health Products among the Elderly in Suratthani Province. <i>Thai Bulletin of Pharmaceutical Sciences</i>, <i>15</i>(2(July-December)2020), 81-94.Chorphaka Narkmit. "Prevalence, Knowledge, Attitude and Behavior of Rational uses of Antibiotics and Steroid-Adulterated Health Products among the Elderly in Suratthani Province". Thai Bulletin of Pharmaceutical Sciences 15 (2020):81-94.Chorphaka Narkmit. Prevalence, Knowledge, Attitude and Behavior of Rational uses of Antibiotics and Steroid-Adulterated Health Products among the Elderly in Suratthani Province. Faculty of pharmacy, Silpakorn University:ม.ป.ท. 2020.