12 1 10 Weston, J. Fred Additional Author Copeland, Thomas E Additional Author Wasnan, A. Jaka Additional Author Kibrandoko Additional Author mixed material Jakarta Binarupa Aksara 1992 Weston, J. Fred Additional Author Copeland, Thomas E Additional Author Wasnan, A. Jaka Additional Author Kibrandoko Additional Author mixed material Jakarta Binarupa Aksara 1995 Sinaga, Marianus Additional Author Copeland, Thomas E Additional Author Weston, J.Fred Additional Author mixed material Jakarta Erlangga 1988 Brigham, F.Eugene Additional Author Weston, J.Fred Additional Author mixed material Jakarta Erlangga 1993 Brigham, Eugene F. Additional Author Hutauruk, Gunawan Additional Author Weston,J.Fred Additional Author mixed material Jakarta Erlangga 1985 Brigham, Eugene F. Additional Author Hutauruk, Gunawan Additional Author Weston J.Fred Additional Author mixed material Jakarta Erlangga 1984 Brigham, Eugene F. Additional Author Wahid, Djoerban Additional Author Hutauruk, Gunawan Additional Author Weston, J. Fred Additional Author Kosasih, Ruchyat Additional Author mixed material Jakarta Erlangga 1987 Kirbrandoko Additional Author Wasana, Jaka Additional Author Copeland, Thomas E Additional Author Weston, J.Fred Additional Author mixed material Jakarta Erlangga 1999 Weston,J.Fred Additional Author Brigham,Eugene F Additional Author mixed material Jakarta Erlangga 1990 Brigham, Eugene F. Additional Author Weston, J. Fred Additional Author Sirait, Alfonsus Additional Author mixed material Jakarta Erlangga 1990