Ajunwa, I.; Yawas, D. S.; Kulla, D. M.; Abdullahi, M. B.; Ibrahim, I. U.; Iorpenda Jnr., M. Performance Improvement of an Indirect Solar Dryer With Single Axis Manual Tracking System and Angular Simulation of the Flat Plate Collector Reflectors. AZOJETE 2020, 16, 293-308.