Title	Opportunity Coefficient for Cluster-Head Selection in LEACH Protocol
Author	Ben Soh, Mohammed AlZain, Diego Lozano-Claros, and Basanta Adhikari
Citation	Vol. 21  No. 1  pp. 6-11
Keywords	Wireless sensor network, cluster head, battery level, opportunity coefficient, LEACH

Title	Opportunity Coefficient for Cluster-Head Selection in LEACH Protocol
Author	Ben Soh, Mohammed AlZain, Diego Lozano-Claros, and Basanta Adhikari
Citation	Vol. 21  No. 1  pp. 6-11
Keywords	Wireless sensor network, cluster head, battery level, opportunity coefficient, LEACH

Title	Framework of Health Recommender System for COVID-19 Self-assessment and Treatments: A Case Study in Malaysia
Author	Mahfudzah Othman, Nurzaid Muhd Zain, Zulfikri Paidi, and Faizul Amir Pauzi
Citation	Vol. 21  No. 1  pp. 12-18
Keywords	COVID-19, home quarantine, self-assessment, collaborative filtering, Pearson correlation coefficient, health recommender system

Title	Framework of Health Recommender System for COVID-19 Self-assessment and Treatments: A Case Study in Malaysia
Author	Mahfudzah Othman, Nurzaid Muhd Zain, Zulfikri Paidi, and Faizul Amir Pauzi
Citation	Vol. 21  No. 1  pp. 12-18
Keywords	COVID-19, home quarantine, self-assessment, collaborative filtering, Pearson correlation coefficient, health recommender system