Search Results for Stoffel, Bernd, author. SirsiDynix Enterprise http://kllibrary.dbkl.gov.my/client/en_US/pklsearchpage/pklsearchpage/qu$003dStoffel$00252C$002bBernd$00252C$002b$002b$002bauthor.$0026ps$003d300?dt=list 2026-09-27T06:00:27Z Assessing the energy efficiency of pumps and pump units : background and methodology ent://SD_ILS/0/SD_ILS:251776 2026-09-27T06:00:27Z 2026-09-27T06:00:27Z Stoffel, Bernd, author.&#160;Stoffel, Bernd, author.<br/>2015<br/>Perpustakaan Jabatan<br/>ISBN&#160;9780081005972<br/>