Chapter 1. Design, Development, and Implementation of Software Engineering Virtual Laboratory: A Boon to Computer Science and Engineering (CSE) Education during Covid-19 Pandemic -- Chapter 2. Political Communication and Election Result: Facebook Account Analysis Jambi Governor Candidates in the 2020 Regional Election -- Chapter 3. Estimating the intervals between Mount Etna eruptions -- Chapter 4. Sentiment Enhanced Smart Movie Recommendation System -- Chapter 5. A Machine Learning Model for Predictive Maintenance of a Stepper Motor using Digital Simulation Data -- Chapter 6. Impact of pollutants on temperature change and forecasting temperature of US cities -- Chapter 7. Hybrid Precoding schemes for mmWave massive MIMO systems - A Comprehensive survey -- Chapter 8. Optimized Web Service Composition Using Hybrid Evolutionary Algorithms -- Chapter 9. Organization Security Framework - A Defensive Mechanism -- Chapter 10. Trusty medicare: An online virtual care system -- Chapter 11. Blockchainbased Remote Construction Monitoring Using UAV in SITL Simulation -- Chapter 12. Papaya Diseases Detection using GLCM Feature Extraction and Hyperparatuning of Machine Learning Approach -- Chapter 13. Image Forgery and Image Tampering Detection Techniques: A Review -- Chapter 14. Low Voltage Ride Through for a Three phase Grid Integrated Single- Stage Inverter-Based Photo Voltaic System using Fuzzy Logic Control -- Chapter 15. Automated Detection of Malaria Parasite from Giemsa - Stained Thin Blood Smear Images. etc.