Donald Cohen
Surface Metrology/Tribology
4.78 (117 reviews)
1
active courses
13
removed courses
Apr 2020
first content date
Oct 2022
last content date
902
total students
117
total reviews
4.78
average rating
30
total content length
Courses
Surface Roughness, Texture, and Tribology Full Course
69
students
11.5 hours
content
Oct 2022
updated
$199.99
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