TY  - BOOK
AU  - McCance, Katherine.
AU  - McCance, Katherine.
AU  - Weston, Timothy.
AU  - Niemeyer, Emily.
TI  - Classroom observations to characterize active learning within introductory undergraduate science courses
U1  - DPer 507 J826 September 2019 - June 2020 v.49 n. 1-5 
PY  - 2020///
CY  - Arlington USA; 
PB  - National Science Teaching Association, 
ER  -