Zainul Ariffin Harun. (2020). Impact of Islamic Spirituality (IS) and Islamic Social Responsibility (ISR) on Employee Engagement (EE) in Small and Medium Enterprises (SMEs) of Malaysia. Graduate School of Management, Kulliyyah of Economics and Management Sciences, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Zainul Ariffin Harun. Impact of Islamic Spirituality (IS) and Islamic Social Responsibility (ISR) on Employee Engagement (EE) in Small and Medium Enterprises (SMEs) of Malaysia. Kuala Lumpur: Graduate School of Management, Kulliyyah of Economics and Management Sciences, International Islamic University Malaysia, 2020.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Zainul Ariffin Harun. Impact of Islamic Spirituality (IS) and Islamic Social Responsibility (ISR) on Employee Engagement (EE) in Small and Medium Enterprises (SMEs) of Malaysia. Graduate School of Management, Kulliyyah of Economics and Management Sciences, International Islamic University Malaysia, 2020.