UNDP, . (1991). Human Development Report 1991. USA: .
UNDP, . 1991. Human Development Report 1991. USA: .
UNDP, . Human Development Report 1991. USA: . 1991.
All Rights Reserved, Law & Society Trust Library (LST Library)
102/3, Barns Place, Colombo 07, Western Province, Sri Lanka, 00800
Telephone - 0112 684 845
Email: ibrary@lstlanka.org