I'm a university student of YOGYAKARTA STATE UNIVERSITY. I take Mathematics Education of 2007(bilingual class).
NAME : RATNA INDRAYANI
NO : 07301241019
STUDY PROGRAM : MATHEMATICS EDUCATION OF 2007
FACULTY : MATHEMATICS AND SCIENCE
LECTURE : Dr MARSIGIT
YOGYAKARTA STATE UNIVERSITY
i love chalenges... i'm nobody... but i'm here to everyone who needs me... i'll try to be the best that i can be,,,,,