Richard Feenstra
Over 200,000 students
4.54 (16358 reviews)
4
active courses
2
removed courses
Mar 2013
first content date
Jan 2025
last content date
246385
total students
16358
total reviews
4.54
average rating
6
total content length
Courses
Productivity: Applying Psychology to Achieve Your Goals
2.8K
students
41 mins
content
Sep 2016
updated
$13.99