TY - BOOK AU - Abu Hassan Othman, AU - TI - Pengajian am : : proses dan prosedur 1 SN - 967976168X U1 - 373.198 23 PY - 1989/// CY - Petaling Jaya, Selangor : PB - Longman Malaysia , KW - Bahasa Malaysia - Study and teaching (Secondary) ER -