Title	Mapping of Concepts in Program Comprehension
Author	Anas Ali, Ahmad Salman Khan
Citation	Vol. 19  No. 5  pp. 265-272
Keywords	Program comprehension PC, Concept location CL, Concept location technique CLT, Cognitive model CM.

Title	Impact of Seaport Infrastructure, Logistics Performance, and Shipping Connectivity on Merchandise Exports
Author	Tahar Ammar Jouili
Citation	Vol. 19  No. 5  pp. 259-264
Keywords	Seaports infrastructures, logistics performance, shipping connectivity, customs clearance processes, time to export, Merchandise exports.

Title	Blockchain for Internet of Things (IoT) Research Issues Challenges & Future Directions: A Review
Author	Malak Alamri, NZ Jhanjhi, Mamoona Humayun
Citation	Vol. 19  No. 5  pp. 244-258
Keywords	Blockchain, Internet of Things, Challenges, Future directions

Title	A Novel CNN-Based Approach for Recognizing Facial Emotion
Author	Huu Hiep Nguyen, Luong Anh Tuan Nguyen, Anh Quan Tran and Thi Ngoc Thanh Nguyen
Citation	Vol. 19  No. 5  pp. 237-243
Keywords	CNN, Facial Expressions, Haar Like