My name is Ibnu Fajar,S.Pd was born in Purworejo, 31 March 1975. I am a math teacher from Pagar Alam Indonesia . I build Freesoftwareanddownload.blogspot.com blog
I hope by the existence of this website will add a reference to the knowledge we primarily teachers and students so as to improve the ability in the sciences. If any thing discussed please contact us
