Uva Wellassa University2022-06-272022-06-272012http://www.erepo.lib.uwu.ac.lk/bitstream/handle/123456789/8999/SCT314-3%20CENTRAL%20SCIENCE%20%26%20TECHNOLOGY%202012.pdf?sequence=1&isAllowed=yenCENTRAL SCIENCE & TECHNOLOGY - SEMESTER - 1Past PapersExam Paper