TY - BOOK ED - General Sir John Kotelawala Defence University TI - Proceedings engineering & technical sciences SN - 9789550301140 U1 - 068.5493 PY - 2015/// CY - Ratmalana PB - General Sir John Kotelawala Defence University KW - Conference;academics symposium N1 - KDU International research conference - 2014, expanding developmental horizons through education, research and innovation ER -