An Adaptive Fuzzy based Clustering Model for Healthcare-Wireless Sensor Networks -- Artificial Pancreas (AP) based on the JAYA Optimized PI Controller (JAYA-PIC) -- Security Issues and Solutions for Reliable WBAN Based e-Healthcare Systems: A Systematic Review -- Brain Tumor Detection by Multilevel Thresholding using Opposition Equilibrium Optimizer -- RescuePlus -- Skeletal Bone Age Determination using Deep Learning -- Chimp Optimization Algorithm Based Feature Selection for Cardiac Image-based Heart Disease Diagnosis -- The Hospitality Industry's Impact on the Covid-19 Epidemic: A Case Study of Ukraine -- Society in front of a COVID-19 Pandemic: India vs Ukraine -- Breast Cancer Detection using Concatenated Deep Learning Model -- Recommendation of Pesticides based on Automation Detection of Citrus Fruits and Leaves Diseases using Deep Learning -- Comprehensive Information Retrieval using Fine-tuned BERT model and Topic-assisted Query Expansion.