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Lua i Stíl Chicago (17ú heag.)Orientation Programme in Educational Planning and Administration for Directors of Education of Sri Lanka New Delhi, India. Orientation Programme in Educational Planning and Administration for Directors of Education of Sri Lanka, New Delhi, March 20-May 3, 1984: Report. New Delhi, India: National Institute of Educational Planning and Administration, 1984.
Lua MLA (8ú heag.)Orientation Programme in Educational Planning and Administration for Directors of Education of Sri Lanka New Delhi, India. Orientation Programme in Educational Planning and Administration for Directors of Education of Sri Lanka, New Delhi, March 20-May 3, 1984: Report. National Institute of Educational Planning and Administration, 1984.