@incollection{Krajnc12, author = {Majda Krajnc}, title = {E-Learning Usage During Chemical Engineering Courses}, booktitle = {E-Learning}, publisher = {IntechOpen}, address = {Rijeka}, year = {2012}, editor = {Anderson Silva and Elvis Pontes and Adilson Guelfi and Sergio Takeo Kofuji}, chapter = {8}, doi = {10.5772/29507}, url = {https://doi.org/10.5772/29507} }