https://digitalcommons.pace.edu/oer/ 2022-09-09 https://digitalcommons.pace.edu/oer/2/ 2021-02-23 https://digitalcommons.pace.edu/oer/3/ 2021-06-07 https://digitalcommons.pace.edu/oer/4/ 2021-06-03 https://digitalcommons.pace.edu/oer/5/ 2021-09-07 https://digitalcommons.pace.edu/oer/6/ 2022-09-09