an accommodation in Jena for one month starting from July 22 2017

This is Maher a PhD student in France. I will attend a summer school at Jena University, the address is ( Street:Bachstraße 18k, Post code: 07743, Jena). the location to be close to this address. In addition, an official invoice is required as requested by my school. please consider those two conditions. in addition the room should be clean in addition to all flat venues. A clothes machine is important too. the price I mentioned below cover all other services, electricity, wifi and others.I highly appreciate if you contact my as soon as possible. taking in consideration that you can use my email: . even you can contact me by my mobile number. look forward to receive your offers in full details. I prefer to stay with students, phd is preferable because it allow us to discuss some relevant research topics together.
your prompt reply is highly appreciated
BR
Maher