classes:  lecturer. how to teach students how to approach knowledge, professionalism in giving practical examples that reflect well theoretical knowledge, instructing students how to approach English documents.  curriculum. how to teach students how to approach knowledge, professionalism in giving practical examples that reflect well theoretical knowledge, instructing students how to approach English documents.  facility. how to teach students how to approach knowledge, professionalism in giving practical examples that reflect well theoretical knowledge, instructing students how to approach English documents.  general. how to teach students how to approach knowledge, professionalism in giving practical examples that reflect well theoretical knowledge, instructing students how to approach English documents.