na YOGYA-02090000069426 20090227093225.0 ind 979-413-187-3 010-020900000069426 420 420 Ale P T ALEXANDER, L.G Practice and progress L.G. Alexander Cet. 7 Yogyakarta Kanisius 1991 x, 53 hlm 21 cm Bahasa Inggris YOPDYOG 27-03-2008 1 93B0019438