Video Lectures of Productivity and Workstudy

Lecture No. 1- https://youtu.be/Au6GGv93R5E ( Productivity)
Lecture No. 2- https://youtu.be/VDY04ORqGpQ (Factors affecting Productivity)
Lecture No. 3- https://youtu.be/PMmTEaptm38 (Methods of Improving productivity and Introduction to Work study)