共 45 条
[1]
[Anonymous], HOUS INC EXP SURV 20
[2]
[Anonymous], 2012, Global Energy Assessment - Toward a Sustainable Future
[3]
[Anonymous], POV IND
[4]
[Anonymous], 2003, NBER WORKING PAPER S
[7]
BUHMANN B, 1988, REV INCOME WEALTH, P115
[8]
Cameron A.C., 2010, Microeconometrics Using Stata (Revised Ed)
[9]
Ceylon Electricity Board, 2011, ANN REPORT
[10]
Ceylon Electricity Board, 2012, ANN REPORT