Aḥmad Zakī Ṣāliḥ

• al-Khidmah al-nafsīyah fī al-tijārah wa-idārat al-aʻmāl
• Mayādīn ʻilm al-nafs
• Naẓarīyāt al-taʻallum
• ʻIlm al-nafs al-tajrībī