Sri Lanka. Janalēkhana hā Saṅkhyālēkhana Depārtamēntuva.

• Bulletin of selected retail prices, 1978 to 1980
• Census of population 1971, Sri Lanka
• Final report on the urban family budget survey, 1977
• Projections of food requirements for Sri Lanka, 1981-2001
• Report on the urban family budget survey, 1977
• Socio-economic survey of Sri Lanka, 1969-70
• Śrī Laṅkāvē samāja ārthika samīkṣaṇaya =