Tudsorn , A. ., and K. . Khongseeprai. “DESIGN AND BUILD THE ANGLE METER FOR THE BED OF TRAUMATIC BRAIN INJURY PATIENTS TO PREVENT INCREASED INTRACRANIAL PRESSURE”. Life Sciences and Environment Journal, vol. 22, no. 2, Oct. 2021, pp. 224-37, doi:10.14456/lsej.2021.10.