na INLIS000000000001858 20230524112419 230524 0 ind 9798015479 0010-061600000001857 001.4 001.4 Met Met -1 Metode Penelitian Survai / Masri Singarimbun; Sofian Effendi Jakarta : LP3ES,, 1989. x, 336 hlm, ; 23 cm. metode penelitian