na INLIS000000000002009 20191211112327.0 191211| ||| | ind a 0010-121900000002009 Bernadette West , Peter M Sandman , Michael R Greenberg West, Bernadette ; Sandman, Peter M. ; Greenberg, Michael R. Jakarta : Yayasan Obor Indonesia , 1998 ixi, 418 p. ; 21 cm. 978-979-461-300-2 577 577 WES p C20 - Extension/Penyuluhan bC1089