Title	Improving Retail Regulation under Digitalization
Author	Svetlana Viktorovna Panasenko, Irina Borisovna Stukalova, Victoria Petrovna Kurenkova and Alexander Vladimirovich Mironov, Anzhela Alexandrovna Bezvesilnaya
Citation	Vol. 22  No. 4  pp. 792-796
Keywords	retail, Internet, marketing, digital economy, market, retail network, regulation.

Title	Enhanced Symmetric Encryption Technique for Securing Users’ Data in Public Cloud Environment
Author	A. Fairose Banu, Dr. A. Nisha Jebaseeli
Citation	Vol. 22  No. 4  pp. 785-791
Keywords	Cloud computing, Cryptography, Encryption, Symmetric approach, Block cipher.

Title	Fake News Detection in Social Networks Using Machine Learning Techniques
Author	Ammar Saeed and Eesa Al Solami
Citation	Vol. 22  No. 4  pp. 778-784
Keywords	Machine Learning; Fake News; Social Media; Fake News Classification

Title	A Random Forest-based Approach for Automated Heart Diagnosis from Cardiac Tomography Data
Author	Amerah Alabrah
Citation	Vol. 22  No. 4  pp. 769-777
Keywords	Myocardial perfusion imaging, SPECT tomography images, Random forest algorithm, 10-fold cross-validation technique, machine learning methods.