Difference between primary and secondary accent?

أفضل جواب: <p><span>Well it is known that:</span></p> <p><span>Vp/Vs = Np/Ns< ... الإطلاع على المزيد

أفضل جواب: Totally Agree. In a nutshell, primary research is original research conducted by you (or someone you hire ... الإطلاع على المزيد

أفضل جواب: It all depends on what you want to achieve  from your research and the client needs. Primary research is ... الإطلاع على المزيد

أفضل جواب: Because the secondary research is based on the primary. The secondary research is just an analysis of the ... الإطلاع على المزيد