กฤษติณ ถาวรสังข์ (มหาวิทยาลัยเทคโนโลยีราชมงคลตะวันออก, 2019)
This research study aims to make aware of the factors that affect the health condition, according to
the risk of functionality of your boat driver Pak phanang River and preventing and reducing the risk of
functionality ...
