• http://drr.vau.ac.lk/handle/123456789/2578
• http://drr.vau.ac.lk/handle/123456789/120
• http://drr.vau.ac.lk/handle/123456789/144
• http://drr.vau.ac.lk/handle/123456789/1225
• http://drr.vau.ac.lk/handle/123456789/1211
• http://drr.vau.ac.lk/handle/123456789/2566
• http://drr.vau.ac.lk/handle/123456789/2560
• http://drr.vau.ac.lk/handle/123456789/3160
• http://drr.vau.ac.lk/handle/123456789/820
• http://drr.vau.ac.lk/handle/123456789/1019
• http://drr.vau.ac.lk/handle/123456789/3028
• http://drr.vau.ac.lk/handle/123456789/1116
• http://drr.vau.ac.lk/handle/123456789/348
• http://drr.vau.ac.lk/handle/123456789/524