A CONCEPTUAL DESIGN OF NEUTRON COLLIMATOR IN THE THERMAL COLUMN OF KARTINI RESEARCH REACTOR FOR IN VITRO AND IN VIVO TEST OF BORON NEUTRON CAPTURE THERAPY - Fauziah, Nina; Jurusan Teknik Fisika Fakultas Teknik - Universitas Gadjah Mada (Pusat Teknologi Dan Keselamatan Reaktor Nuklir (PTKRN), 2015)