AU - Al khalifah, Ahmed A. ID - 21370 OP - pp. 1-16 T1 - Investigating students’ learning with web-based virtual laboratory activities using computer simulation [Article] UL - 1 http://search.shamaa.org/fulltext.gif http://journals.hbmeu.ac.ae/Pages/GetPDF.aspx?AID=187&UID=00000000-0000-0000-0000-000000000000 Full text (PDF)