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  1. 1
    Colombo, Sri Lanka : Department of Census and Statistics, Ministry of Plan Implementation,
    v. ; 27-28 cm.
  2. 2
    by Kulatilaka, C. da S.
    Published 1976
    [Colombo] : Sinhala Music Research Unit, Sri Lanka Broadcasting Corp., 1976.
    52 p. : ill. ; 26 cm.
  3. 3
    Colombo : Colombo Observatory,
    v. : ill. ; 32-34 cm.
  4. 4
    Colombo : Dept. of Census and Statistics,
    v. ; 25 cm.
  5. 5
    by Gunawardana, A. M. T.
    Published 1980
    Colombo : Agrarian Research and Training Institute, 1980.
    83 p. ; 30 cm.
  6. 6
  7. 7
    Published 1978
    Colombo : Ministry of Education, 1978.
    42 p. : ill. ; 29 cm.
  8. 8
    Published 1976
    Colombo : Agrarian Research and Training Institute, 1976.
    94, [19] p. ; 30 cm.
  9. 9
  10. 10
    Colombo, Ceylon, Printed at the Government Press.
    volumes.
  11. 11
    by Sathasivampillai, K.
    Published 1974
    Peradeniya : Division of Agricultural Economics, Govt. Dept. of Agriculture, 1974.
    85, iv p. ; 37 cm.
  12. 12
  13. 13
    [Colombo] : Department of Census and Statistics, Ministry of Finance and Planning.
    volumes ; 31 cm.
  14. 14
    Published 1984
    Agalawatta : Rubber Research Institute of Sri Lanka, [1984]
    2 v. in 4 : ill. ; 25 cm.
  15. 15
    Published 1978
    Colombo : The Institute, 1978.
    56 p. ; 26 cm.
  16. 16
    Published 1987
    Colombo, Sri Lanka : National Planning Division, Ministry of Finance and Planning, 1987.
    151 p. ; 25 cm.
  17. 17
    by Wanigaratne, R. D.
    Published 1977
    Colombo : Agrarian Research and Training Institute, 1977.
    27 p. : map ; 30 cm.
  18. 18
    Published 1985
    Dhaka, Bangladesh : Centre on Integrated Rural Development for Asia and the Pacific, 1985.
    ii, 49 p. ; 28 cm.
  19. 19
    by Anandarajah, N. C. E.
    Published 1977
    Peradeniya : UNDP/FAO Agricultural Diversification Project, Ministry of Plantation Industries, 1977.
    29 p., [1] leaf of plates : ill., maps ; 30 cm.
  20. 20
    by Wijayaratne, C. M.
    Published 1978
    Colombo : Agrarian Research & Training Institute, 1978.
    73 p. ; 30 cm.

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