Cost analysis of open appendictomy compared to laparoscopic appendicectomy in Universiti Kebangsaan Malaysia Medical Centre (UKMMC) 2011 - Rizal AM; Munizam AM; Mastura MT; Nurul' Ain A; Zakiah A; Nasaruddin M; Zulfadlil A; Saad AAJA; Sara Rekab EZ; Aniza I (Penerbit UKM, 2011)