Abdul Razak Omar, Mahyudin Omar, Ahmad Shaharudin Abdul Latif, Anim Zalina Azizan, & Muhammad Suhaimi Sulong. (2017). MODUL INSTRUMEN DIAGNOSTIK USAHAWAN BERJAYA. Penerbit UTHM. https://publisher.uthm.edu.my/omp/index.php/penerbituthm/catalog/book/195