Method of GER NER PTR SCR DROPOUT and Retention Rate... Deal for you May 08, 2015 Deal for you Method of GER, NER ,PTR, SCR AND DROPOUT THNKS TO KAMALKING Tweet Share Share Share Share About Admin MC3 This is dummy text. It is not meant to be read. Accordingly, it is difficult to figure out when to end it. But then, this is dummy text. It is not meant to be read. Period. Related Post