Suggested Topics within your search.
Suggested Topics within your search.
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1Publicado 1984Agalawatta : Rubber Research Institute of Sri Lanka, [1984]2 v. in 4 : ill. ; 25 cm.
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2Publicado 1978Colombo : The Institute, 1978.56 p. ; 26 cm.
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3Publicado 1997[Colombo] : Sri Lanka Bureau of Foreign Employment (Ministry of Labour & Vocational Training) with collaboration of Asian-American Free Labour Institute, 1997.139 p. ; 30 cm.
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4por Ratnaweera, D. de S.
Publicado 1978Colombo : Sri Lanka Foundation Institute, 1978.23 leaves ; 30 cm. -
5Publicado 1979Colombo : Ministry of Plan Implementation, [1979]vi, 173 p. ; 26 cm.
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6Publicado 1977[Colombo] : Jātika Kautukāgāra Depārtmēntuva, 1977.vii, 192 p., [19] leaves of plates : ill. ; 26 cm.