Search Results for Perman, Roger, 1949- SirsiDynix Enterprise https://libraryconnect.iie.ac.za/client/en_US/iie/iie/qu$003dPerman$00252C$002bRoger$00252C$002b1949-$0026ps$003d300?dt=list 2025-10-07T08:26:51Z Natural resource and environmental economics ent://SD_ILS/0/SD_ILS:23475 2025-10-07T08:26:51Z 2025-10-07T08:26:51Z by&#160;Perman, Roger, 1949-<br/>Format:&#160;Books<br/>Publication Date&#160;1999<br/> Roots, the next generations ent://SD_ILS/0/SD_ILS:37132 2025-10-07T08:26:51Z 2025-10-07T08:26:51Z by&#160;Wolper, David L.<br/>Format:&#160;Video disc<br/>Publication Date&#160;2007<br/>