Validation of Perceived Community Safety Instrument Using Polytomous Rasch Measurement Model - Shahren Ahmad, Zaidi Adruce; Donald, Stephen; Dayang Siti Aisah, Abang Suhaili; Alexandra Nastassia, John; Abg Mohd Heikal, Abg Othman; Nur Adila, Latif (Universiti Teknikal Malaysia (UTEM), 2017)