Three times a year, Apr. 2002- Four no. a year (Apr., Aug., Oct., and Dec.), Apr. 2001-Ag. 2001
Note:
Title from cover.
Special Numbering:
Issues for called volume instead of tahun. Issue no. 34 (Ag. 2001) published in combined volume called vol. 1-2; issue for Apr. 2002 numbering is repeating designated as v. 2, no. 1.