Nanthavanij, Suebsak, Chatkate Udomratana, Saowalak Hansawad, Jayaporn Thepkanjana, and Wanchalerm Tantasuwan. 2015. “Validity and Usability of Adjustment Worksheets for Computing Notebook Computer and Workstation Adjustments”. Science & Technology Asia 16 (4):31-51. https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/41200.