Mapping Indoor and Outdoor Environmental Radiation Exposure at a Nigerian Tertiary Institution: Evidence from Federal College of Education, Gombe, Gombe State. Nigeria - Muhammad Nuruddeen Abdulkareem; Isa Sabo Muhammad; Ibrahim Olanrewaju Abiodun; Muhammad Mudassir Usman; Mohammad Abubakar; Abdullahi Muhammad; Ahmad Alhassan; Mohammed Shettima Nur (Health Physics, 2026)