Ceylon. Iḍam, Vārimārga saha Vidulibala Amātyāṃśaya. (1968). Plan implementation report, 1966-67. to be purchased at the Govt. Publications Bureau.
Chicago-referens (17:e uppl.)Ceylon. Iḍam, Vārimārga saha Vidulibala Amātyāṃśaya. Plan Implementation Report, 1966-67. [Colombo]: to be purchased at the Govt. Publications Bureau, 1968.
MLA-referens (8:e uppl.)Ceylon. Iḍam, Vārimārga saha Vidulibala Amātyāṃśaya. Plan Implementation Report, 1966-67. to be purchased at the Govt. Publications Bureau, 1968.
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