na YOGYA-02090000033488 20090227024803.0 ind 010-020900000033488 330.9 330.9 Hus P T HUSADA, Jan Peluang usaha bisnis anti polusi Jan Hoesada Cet. 1 Yogyakarta Andi Offset 1991 ix, 91 hlm ilus 21 cm Bibliografi : hlm. 87-91 Ekonomi, keadaan YOPDYOG(B) 02-09-06 1 94P0049460