ABDUL RAZAK OMAR; MAHYUDIN OMAR; AHMAD SHAHARUDIN ABDUL LATIF; ANIM ZALINA AZIZAN; MUHAMMAD SUHAIMI SULONG. MODUL INSTRUMEN DIAGNOSTIK USAHAWAN BERJAYA. [s.l.] : Penerbit UTHM,2017. Disponível em: https://publisher.uthm.edu.my/omp/index.php/penerbituthm/catalog/book/195. Acesso em: 12 mar. 2026.