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Study on wastewater treatment systems for wet process rice mills
Susantha, Wedage
(
The Open University of Sri Lanka
,
2013
)
Effectiveness of regulatory mechanisms in coastal resource management a case study from Negombo estuarine system
Fernando, K.P.A.
(
The Open University of Sri Lanka
,
2018
)
Environmental impact of human settlements in Pitipana area of the Negombo lagoon - Sri Lanka
Hapuarachchi, Don Prisca Ann Srima
(
The Open University of Sri Lanka
,
2013
)
Possibility of introducing ecotourism on estates in Pundaluoya valley
Bulumulla, Bhathiya
(
The Open University of Sri Lanka
,
2014
)
මත්ද්රව්ය භාවිතයට නැඹුරු වූ නව යොවුන් වියේ පාසැල් සිසුන් පිළිබද අධ්යයනයකි
Kumarasinghe, D. M. Sunil
(
The Open University of Sri lanka
,
2020
)
Job satisfaction of teachers based on their working environment: special reference to estate schools in the difficult areas of Gampola educational zone
Shanmugalingam, Kandasamy
(
The Open University of Sri Lanka
,
2019
)
Factors influencing the achievement of G.C.E. O/L students in History as a subject with special reference to the education zone of Colombo - North
Roshan, Priscilla Jebakani
(
The Open University of Sri lanka
,
2020
)
Students' perception about laboratory practical sessions of biology in advanced level classes (A study based in Kuliyapitiya zone in Kurunegala district)
Ekanayake, E. M. U.
(
The Open University of Sri Lanka
,
2020
)
නොවිධිමත් අධ්යාපනය යටතේ වන මූලික සාක්ෂරතා වැඩසටහන්හි ක්රියාකාරිත්වය2019
Shyamali, H. L. T.
(
The Open University of Sri Lanka
,
2019
)
10 වන ශ්රේණියේ ව්යාපාර අධ්යයන විෂය සාධනය වැඩි දියුණු කිරීම පිළිබද කාර්යමූල පර්යේෂණය
Fernando, B.J.Nimali
(
The Open University of Sri Lanka
,
2020
)
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