• ICEG 2021 - Proceedings 

  Central Environmental Authority (Central Environmental Authority, 2021-11-24)
• Proceedings of the International Symposium on Environment Management and Planning 

  Central Environmental Authority (Central Environmental Authority, 2015)
• Proceeding of the international symposium on environment management and planning 2015 

  Unknown author (Colombo : CEA, 2015)
• Environmental impact assessment ( EIA) 16th international intensive training programme:literature source book volume i 

  Wijesooriya, W.A.D.D.; Prof.Hennayake, S.; Pathragoda, D. (Colombo:Central Environmental Authority, 312p., 2008-01)
• Environmental impact assessment (EIA) 14th intensive training workshop:literature source book volume ii 

  Wijesooriya, W.A.D.D.; Dr.Hennanayake, S.K. (Colombo:Central Environmental Authority., 2003-01)
• Environmental impact assessment (EIA) 14th intensive training workshop:literature source book volume i 

  Wijesooriya, W.A.D.D.; Dr.Hennanayake, S.K. (Colombo:Central Environmental Authority., 2003-01)
• 12th Intensive EIA training workshop - volume 1 

  Unknown author (Colombo:Central Environmental Authority., 2000-11)
• 12th Intensive EIA training workshop- volume II 

  Unknown author (Colombo:Central Environmental Authority., 2000-11)
• 11th Intensive EIA training workshop- volume II 

  Unknown author (Colombo:Central Environmental Authority., 1999-10)
• 11th Intensive EIA training workshop 

  Unknown author (Colombo:Central Environmental Authority., 1999-10)
• 10th intensive EIA training workshop 

  Unknown author (Colombo:Central Environmental Authority., 1998-10)
• 10th Intensive EIA training workshop:literature source book volume II 

  Unknown author (Colombo:Central Environmental Authority., 1998-10)
• 10th intensive EIA training workshop 

  Unknown author (Colombo:Central Environmental Authority., 1998-10)
• 11th Intensive EIA training workshop- volume I 

  Unknown author (Colombo:Central Environmental Authority., 1999-10)
• Environmental assessment procedures senior level workshop 

  Unknown author (Colombo:Central Environmental Authority., 1983-10)
• Workshop on water quality modelling 

  Unknown author (Colombo:Central Environmental Authority, 72p., 1994-10)
• Workshop on environmentally sustainable industrial development 

  Unknown author (Colombo:Central Environmental Authority, 53p., 1992-04)
• Workshop on environmental sustainable industrial development 

  Unknown author (Colombo:Central Environmental Authority., 1992-04)
• Workshop on environmental legislation 

  Unknown author (Colombo:Central Environmental Authority, 96p., 1992-01-14)
• Global warming - global warning 

  Unknown author (Colombo:Central Environmental Authority, 66p., 1989-06)

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