It is a very well done presentation. I haven't read the book but I feel like he has covered a lot very simply
@100hillmatthew11 жыл бұрын
Thanks Rex - Great video, clear explanation and good overview, Cheers, Matthew
@JamaisMEC12 жыл бұрын
I attempted this career field for nearly two decades. Then I gained my sanity back and stopped pushing an immovable mass. The research presented in MacGregor and Hirshberg IN THE 50's still pertains.