Richard Feenstra
Over 200,000 students
4.50 (16498 reviews)
4
active courses
2
removed courses
Mar 2013
first content date
Jan 2025
last content date
247956
total students
16498
total reviews
4.5
average rating
6
total content length
Courses
Productivity: Applying Psychology to Achieve Your Goals
2.8K
students
41 mins
content
Sep 2016
updated
$29.99