"We are offering a special service of preordering any watch model from any brand. Yes you can now get any brand watch here in Pakistan within a month of time.
Office address: Mall of Islamabad, F-11 Markaz, Islamabad, Pakistan
Phone number: 923155326841
Business email address: Pakwatchcollector@gmail.com
Hours of Operation: Mon-Sun / 8:00 AM - 11:00 PM"
D. Pavlovic, P. Pepper, and D. Smith. Mathematics of Program Construction, volume 6120 of Lecture Notes in Computer Science, Springer Berlin Heidelberg, (2010)