Worldwatch paper
Worldwatch paper
- Washington, D.C. : Worldwatch Institute, 1999-
- v. : ill. ; 22 cm.
- Irregular
- no. 146 (April 1999)-
UKM: no. 146 (1999)- no.152-154, no.155-159, no.146-149, 157-159 (hantar jilid pada 2/5/07) b.17-20
0270-8019 = Worldwatch paper
Human ecology
Conservation of natural resources
Energy conservation
Power resources
UKM: no. 146 (1999)- no.152-154, no.155-159, no.146-149, 157-159 (hantar jilid pada 2/5/07) b.17-20
0270-8019 = Worldwatch paper
Human ecology
Conservation of natural resources
Energy conservation
Power resources