Ask for Help: Online Help-Seeking and Help-Giving as Indicators of Cognitive and Social Presence for Students Underrepresented in Chemistry. Azevedo RFL, Jeng A, Williams-Dobosz D. D Williams-Dobosz, A Jeng, RFL Azevedo… - Journal of Chemical …, 2021 - ACS Publications GSID: qb3tL9aCw8AJ