Mabaka a ka sehloohong a ho etsa PhD ke afe?
Ka mor'a ho qeta lengolo la Master, liithuti tse ling li hlile li thahasella ho kenya letsoho tšimong e itseng ea Saense. Bohelehele, liphephetso, le boikutlo ba hore ba khona ho kenya letsoho ka mehopolo ea bona le tsebo ea bona ho tikoloho e pharalletseng haholo, ke mabaka a ka sehloohong a susumetsang liithuti ho leba leetong la PhD.