•  Yuhana, U. L.; Chen, L.L.; Hsu, Y.J. & Jih, W.R, “An Ontology Based Approach for Searching Neighbourhood Building”, 3rd Information and Communication Technology Seminar (ICTS) 2007, ITS, Surabaya
  • Yuhana U.L., Yoga Ari Puji Husodo, Rochimah S.”Application of LIFO, FIFO and Sum Average Method in Inventory Valuating and EOQ Model in Inventory Controlling”, 2nd Information and Communication Technology Seminar (ICTS) 2006, ITS
  • Yuhana U.L., Nugraha T. Hutapea, Achmad Holil Noor Ali, “Information System for Nurses Performance Valuation with Point Credit Method at Karang Tembok Hospital Surabaya”. (EECCIS), 2006. Brawijaya University, Indonesia
  • Yuhana U.L., Hadian Indriasari, Siti Rochimah, “Software Development for Simple Web Page Editor”. Nasional Seminar. Soft Computing, Inteligent Systems and Information Technology (SIIT) 2005, Petra Christian University Surabaya Indonesia


  • Yuhana U.L., Joko Lianto Buliali, Dwi Sunaryono, “Design and Implementation of Decision Support System for Medicine Selection Using XpertRule”. JUTI 2004, Information Technology Journal, Volume 3 Number 1 January 2004. FTIf, ITS

I attended to the ICTS (Information and Communication Technology Seminar) 2007, 3rd international conference held by Informatics department Sepuluh Nopember Institute of Technology (ITS), 11 September 2007 in Surabaya, East Java,  Indonesia.