Challenges COVID-19 5 Malaysia 5 human 4 adult 3 Africa 2 Challenge 2 Culture and human attitude 2 Education 2 Elder abuse and neglect 2 Institutional elder abuse 2 Knowledge 2 Leadership 2 Lean implementation 2 Lean manufacturing 2 Malaysian private higher learning institutions 2 Married 2 Motivation 2 New Zealand 2 Nursing home residents 2 Online Learning 2 Opportunities 2 Quality of education 2 Resources 2 Structural equation modelling (SEM) 2 Thematic analysis 2 agricultural worker 2 article 2 female 2 human experiment 2