"levin, peter . "
perfect presentation: / peter.. levin - ed. - berkshire : open university press 2006. - "viii, 138p.; 21 cm." - student-friendly guides .
0-335-21905-5
--
658. 45 2lev
perfect presentation: / peter.. levin - ed. - berkshire : open university press 2006. - "viii, 138p.; 21 cm." - student-friendly guides .
0-335-21905-5
--
658. 45 2lev