à¸žà¸‡à¸©à¹Œà¸žà¸±à¸™à¸˜à¹Œ, à., à¹€à¸—à¸žà¸ªà¸´à¸‡à¸«à¹Œ, à., & à¸šà¸¸à¸à¸›à¸£à¸²à¸à¸²à¸£, à. 2018 Nov 29. à¸ªà¸ à¸²à¸žà¸Šà¸µà¸§à¸´à¸•à¸žà¸£à¸°à¸ªà¸‡à¸†à¹Œà¹€à¸Šà¸·à¹‰à¸à¸ªà¸²à¸¢à¸ªà¸¢à¸²à¸¡à¹€à¸žà¸·à¹ˆà¸à¸”à¸³à¸£à¸‡à¸§à¸´à¸–à¸µà¹„à¸—à¸¢à¹ƒà¸™à¸£à¸±à¸à¸à¸¥à¸±à¸™à¸•à¸±à¸™ à¸›à¸£à¸°à¹€à¸—à¸¨à¸¡à¸²à¹€à¸¥à¹€à¸‹à¸µà¸¢. à¸§à¸²à¸£à¸ªà¸²à¸£à¸§à¸´à¸—à¸¢à¸šà¸£à¸´à¸à¸²à¸£ à¸¡à¸«à¸²à¸§à¸´à¸—à¸¢à¸²à¸¥à¸±à¸¢à¸ªà¸‡à¸‚à¸¥à¸²à¸™à¸„à¸£à¸´à¸™à¸—à¸£à¹Œ | Academic Services Journal, Prince of Songkla University. [Online] 29:3