共 16 条
- [1] AMONOO E, 1987, WATER SANITATION C A
- [2] Belsley D. A., 1980, REGRESSION DIAGNOSTI
- [3] BIRDSALL N, 1983, 19839 COUNTRY POL DE
- [4] SIMPLE TEST FOR HETEROSCEDASTICITY AND RANDOM COEFFICIENT VARIATION [J]. ECONOMETRICA, 1979, 47 (05) : 1287 - 1294
- [5] CUMMINGS RG, 1986, VALUING ENV GOODS ST
- [6] FEACHAM R, 1978, WATER HLTH DEV INTER
- [7] *GHAN WAT SEW CORP, 1986, 5 YEAR REH DEV PLAN
- [8] Jimenez E, 1987, PRICING POLICY SOCIA
- [9] MITCHELL RC, 1986, USING SURVEYS VALUE
- [10] RANDALL A, 1983, NAT RESOUR J, V23, P635