Prishtina International Summer University - Apply NOW (for students) 26 prill 2012 The 12th edition of the PISU is open to all students and will help all participants to gain from new methods of lecturing and research as well as enjoying the international atmosphere. As set by the traditional program itself, this year's program also bring together regional & international professors and lecturers for a period of two weeks and provide the opportunity for local and international students to learn and share their experiences.