TY  - SER
ED  - Worldwatch Institute
TI  - Worldwatch paper
SN  - 0270-8019
PY  - 1999///-
CY  - Washington, D.C.
PB  - Worldwatch Institute
KW  - Human ecology
KW  - Conservation of natural resources
KW  - Energy conservation
KW  - Power resources
N1  - UKM: no. 146 (1999)-; no.152-154, no.155-159, no.146-149, 157-159; (hantar jilid pada 2/5/07) b.17-20
ER  -