8 1 10 Jelpa Periantalo Primary Author mixed material 9786022297529 Yogyakarta Pustaka Pelajar 2017 Saifuddin Azwar Primary Author mixed material 97985811041 Yogyakarta Pustaka Pelajar 2003 Richard I. Levin Primary Author David S. Rubin Additional Author mixed material 0138477817 New Jersey Prentice-Hall International 1998 Samsubar Saleh Primary Author mixed material 9798170164 Yogyakarta LMP2M AMP-YKPN 1990 Samsubar Saleh Primary Author mixed material Yogyakarta BPFE 1985 Samsubar Saleh Primary Author mixed material Yogyakarta Andi Offset 1983 J.Supranto Primary Author mixed material Erlangga 1994 Samsubar Saleh Primary Author mixed material 9798170288 Yogyakarta AMP YKPN 2001