20 years old boy looking for apartment for 3 in Athens

I`m looking for an apartment in Athens near NTI Universety for 3 persons. It has to acomodate 2 girls and one boy. The ages and 20 years old youngsters. I`ve already have mates to share apartment. We are calm, well beaved and respectful persons. We just want to rent apartment until January. Must have 3 rooms or 2 rooms and a living room that can be used for the third person. The rooms it will be for the girls and the living room for the boy. It must be near shops, supermarkets and public transportation. We prefer quiet and frendly neighborwoods. 2 students will occupie the apartment next september and the other will be there in October.