na INLIS000000000001305 20231202140304 231202||||||||| | ||| |||| || | 010-1223001305 id 001.42 001.42 SIN p Singarimbun, Masri Pedoman praktis membuat usulan penelitian Cet.2 Ghalia Indonesia 1986 127 hlm. ; 21 cm. R01.03 - R01-0092 Metode Penelitian