Upady Hatthasin, Pratch Piyawongwisal. Designing Protractor and Compass Learning Aid for Visually-Impaired Primary Students. In 59th Annual Conference of the Society of Instrument and Control Engineers of Japan, SICE 2020, Chiang Mai, Thailand, September 23-26, 2020. pages 792-795, IEEE, 2020. [doi]
Abstract is missing.