Author
Sri Lanka. Central Environmental Authority
4
Karunanayake, M. M.
2
Agridev Consultants
1
Ceylon Tourist Board
1
Ceylon. Dept. of Government Printing
1
Ceylon. Dept. of Government Supplies
1
Ceylon. Dept. of Medical and Sanitary Services
1
Ceylon. Parliament. House of Representatives
1
Ceylon. Rajayē Văḍa Depārtamēntuva
1
Ceylon. Rājya Bhāṣā Depārtamēntuva
1
Jātika Mudal Itirikirīmē Băṅkuva
1
National Book Development Council of Sri Lanka
1
National Science Council of Sri Lanka
1
Regional Meeting of Officials of Labour Exporting Countries Colombo, Sri Lanka
1
Sri Lanka
1
Sri Lanka. Bureau of Foreign Employment. Research & Development Div
1
Sri Lanka. External Resources Dept
1
Sri Lanka. Janalēkhana hā Saṅkhyālēkhana Depārtamēntuva
1
Sri Lanka. Janamādhya, Saṃcāraka, hā Guvan Sēvā Amātyāṃśaya
1
Sri Lanka. Muslim Āgamika hā Saṃskrtika Kaṭayutu piḷibanda Rājya Amātya Kāryālaya
1
Sri Lanka. Mătivaraṇa Depārtamēntuva
1
Sri Lanka. Public Service Commission
1
Sri Lanka. Pārlimēntuva
1
Sri Lanka. Rēgu Depārtamēntuva
1
Sri Lanka. Saukhya Amātyāṃśaya. Planning Division
1
Sri Lanka. Vidēśa Kaṭayutu Bhāra Amātyāṃśaya
1
Srī Laṅkā Maha Băṅkuva. Saṅkhyālēkhana Depārtamēntuva
1
Ulluwishewa, Rohana
1
United States. Consulate (Colombo, Sri Lanka)
1
United States. Department of State
1
Western Province (Sri Lanka). Paḷāt Sabhāva
1