Articles can be submitted electronically from http://www.ajcrtam.ir. This is an online manuscript processing system which allows submission of articles with tracking of its progress till proof stage. One is required to register as a new author – the process being a simple self-explanatory two stage process. Link for new author registration is available from the home page (http://www.ajcrtam.ir). If article is submitted electronically, there is no need to send a hard copy.