Pornpun Oranpattanachai. (1993) The effectiveness of the semantic mapping technique on reading achievement of the first-year nursing students at Mahidol University. Mahidol University,:ม.ป.ท.Pornpun Oranpattanachai. 1993. The effectiveness of the semantic mapping technique on reading achievement of the first-year nursing students at Mahidol University. ม.ป.ท.:Mahidol University,;Pornpun Oranpattanachai. The effectiveness of the semantic mapping technique on reading achievement of the first-year nursing students at Mahidol University. ม.ป.ท.:Mahidol University, 1993. Print.