Application form for International Summer School at Hønefoss International Summer School offered by USNI apply for International Summer School at:Campus Hønefoss INTERNATIONAL SUMMER SCHOOL CAMPUS HØNEFOSS: At Campus Hønefoss, it is possible to attend both courses, or you may just choose one of them. Pleasy choose: Which subject(s) do you apply for? International Management (7.5 ECTS) International Marketing (7.5 ECTS)