competitive advantage is explained in which books of CFA

hi friends. i am finishing level 1 . but i want to read about competitive advantage. in which book in cfa program this is explained, pls, help. thanks

You may need to revise your notes.

#goodluck

Press ctrl+f and search for “competitive advantage.”

I believe it’s in Equity.

pls, tell me the book . i can not remember now. thank you

The book of Eli

The book of Isaiah.

i am serious, pls help

CFA level 2

https://books.google.fr/books?id=TkozDwAAQBAJ&pg=RA5-PA13&dq=Cost+leadership+focus+strategy+cfa+level+2&hl=en&sa=X&ved=0ahUKEwjo5oyf6IzaAhVEuBQKHfccA8cQ6AEIKTAA#v=onepage&q=Cost%20leadership%20focus%20strategy%20cfa%20level%202&f=false