You can open and download instructional file of Dr. Thaksaon Kittipassorn
1. Lung Volumes and Ventilation
at http://www.ps2.si.mahidol.ac.th/pels/pluginfile.php/9870/mod_resource/content/1/2021-2022_NoteAndExercise_Vent_Mar20_all.pdf
2. Static Mechanics of Breathing
at http://www.ps2.si.mahidol.ac.th/pels/pluginfile.php/9871/mod_resource/content/1/2021-2022_NoteAndExercise_Stat_page1.pdf