The   impact  of  integrating   social   media   in    language  teaching   and   learning   of   sri   lankan  university students Security & privacy challenges in cloud computing Service quality and customer satisfaction related to Insurance industry factors affecting to willingness to wait in Queues in Sri  lankan supermarkets IT certification and validity of a candidate in sri lanka Audit perspection in sri lanka Artifacts on sri lankan Airlines Artefacts on COMBAT TRAINING SCHOOL sri lanka Transactional & tranformational leadership Artifacts in DFCC Bank sri lanka Artifacts on sri lanka navy Frederick herzberg’s two factor theory of motivation critique Expectancy theory critique