1. Ariyawansha SWGRTK, Basnayake BFA, Dharmaweera WDNP, Sithamparanathan K (2009) Wet and dry layered humidified biofilter for destruction of gaseous contaminants from composting of municipal solid waste. In: 1st National symposium on natural resources management, Sabaragamuwa University, Sri Lanka 28–29 August 2009
2. Ariyawansha RTK, Basnayake BFA, Pathirana KPMN, Chandrasena ASH (2010a) Open dump simulation for estimation of pollution levels in wet tropical climates. J Trop Agric Res 21(4):340–352
3. Ariyawansha RTK, Jayakody Lahiru N, Gunarathne HAYR, Senevirathne SADN, Kuruparan P, Chandrasekara WWCK, Thivyatharsan R, Basnayake BFA (2010b) Estimation of quantum of waste generation and solid waste characterization at Kalmunai Municipal Council (KMC) and Sammanthurai Pradeshiya Sabha (SPS). In: Third international symposium, Sabaragamuwa University of Sri Lanka on 26th–28th August 2010
4. Ariyawansha RTK, Chandrasena ASH, Senevirathne SADN, Basnayake BFA(2010c) Development of a sustainable Environmental Preservation Centre (EPC) at Nawalapitiya for urban solid waste management. In: Proceedings of international conference on sustainable build environment on 13th and 14th of December, 2010 at Earl’s Regency Hotel, Kandy, Sri Lanka, pp 181–188
5. Ariyawansha RTK, Basnayake BFA, Kariyawasam KHPP, Jayasinghe IH(2010d) Applications of double layer compost biofilter for odor control in industrial and waste management facilities in Sri Lanka. In 9th Asia Pacific roundtable for sustainable consumption and production 10th–12th June 2010, Colombo Sri Lanka