Author
Ceylon
38
Sri Lanka. Janalēkhana hā Saṅkhyālēkhana Depārtamēntuva
36
Sathasivampillai, K.
19
Agrarian Research and Training Institute
8
De Silva, G. A. C.
6
Sri Lanka
6
Ceylon. Dept. of Agriculture
5
Ceylon. Dept. of Census and Statistics
5
Great Britain. Colonial Office
5
Great Britain. Foreign and Commonwealth Office
5
Sri Lanka. Division of Agricultural Economics
5
Sri Lanka. Sălasum Kriyātmaka Kirīmē Amātyāṃśaya
5
Srī Laṅkā Maha Băṅkuva
5
UNDP/FAO Agricultural Diversification Project
5
Ceylon. Parliament. House of Representatives
4
Ellman, Antony O.
4
Godakumbura, C. E. (Charles Edmund), 1907-1977
4
River Valleys Development Board
4
Sri Lanka. Adhikaraṇa Amātyāṃśaya
4
Sri Lanka. Central Environmental Authority
4
Sri Lanka. Jātika Krama Sampādana Aṃśaya
4
Sri Lanka. Kamkaru Depārtamēntuva
4
Sri Lanka. Purāvidyā Depārtamēntuva
4
Ceylon. Janalēkhana hā Saṅkhyālēkhana Depārtamēntuva
3
Ceylon. Kālaguna Vidyā Depārtamēntuva
3
Ceylon. Rājya Bhāṣā Depārtamēntuva
3
Ceylon. Rēgu Depārtamēntuva
3
Ceylon. Surveyor-General's Office
3
Gooneratne, Wilbert, 1938-
3
Sri Lanka. Iḍam Niravul Kīrīmē Depārtamēntuva
3
Sri Lanka. Kamkaru Depārtamēntuva. Pustakālaya
3
Sri Lanka. Karmānta hā Vidyā Kaṭayutu piḷibanda Amātyāṃśaya
3
Sri Lanka. Nīti Komiṣan Depārtamēntuva
3
Sri Lanka. Pārlimēntuva
3
Sri Lanka. Vidēśa Kaṭayutu Bhāra Amātyāṃśaya
3
Wanigaratne, R. D.
3
Anandarajah, N. C. E.
2
Asmar, Samir
2
Ceylon Tourist Board
2
Ceylon. Archaeological Department
2
Ceylon. Dept. of Inland Revenue
2
Ceylon. Dept. of National Museums
2
Ceylon. Dept. of the Registrar of Companies
2
Ceylon. Dept. of the Rubber Controller
2
Ceylon. Geological Survey
2
Ceylon. Government Archives Dept
2
Ceylon. Government Stores Dept
2
Ceylon. Iḍam Saṃvardhana Depārtamēntuva
2
Ceylon. Krama Sampādana hā Ārthika Kaṭayutu Amātyāṃśaya
2
Ceylon. Mudal Amātyāṃśaya
2
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