Gaya APA

Lumban,Raja, H., Syefaa, T. (2008). Professional development in open and distance learning system: analytical evaluation of training programmes (Vol. 03, No. 01, Tahun). : .

Gaya MLA

Lumban,Raja, Hendrik., Syefaa, Tresnaningrum. "Professional development in open and distance learning system: analytical evaluation of training programmes". Vol. 03, No. 01, Tahun : , 2008. Text.