| Green human resource management a simplified introduction HHDNP Opatha University of Sri Jayewardenepura, Nugegoda., 2013 | 784 | 2013 |
| Green human resource management practices: A review AA Arulrajah, H Opatha, NNJ Nawaratne Sri Lankan Journal of Human Resource Management 5 (1), 2015 | 646 | 2015 |
| Human Resource Management (Revised Print) H Opatha Department of HRM, University of Sri Jayewardenepura, 2009 | 595 | 2009 |
| Analytical and theoretical perspectives on green human resource management: A simplified underpinning AA Arulrajah, H Opatha Canadian Center of Science and Education, 2016 | 133 | 2016 |
| A synthesis towards the construct of job performance J Ramawickrama, HHDNP Opatha, MD PushpaKumari Canadian Center of Science and Education, 2017 | 108 | 2017 |
| Human Resource Management: Personnel HHDNP Opatha Department of HRM, Faculty of Management Studies and Commerce, University of …, 2009 | 102 | 2009 |
| Green human resurce management: Simplified general reflections H Opatha, AA Arulrajah International Business Research 7 (8), 101-112, 2014 | 81* | 2014 |
| Towards a Conceptualization and an Operationalization of the Construct of Employee Engagement KDG YA Iddagoda, HHDNP Opatha International Business Research 9 (2), 85-98, 2016 | 80 | 2016 |
| Relationships and Mediating Effects of Employee Engagement: An Empirical Study of Managerial Employees of Sri Lankan Listed Companies YA Iddagoda, H Opatha SAGE Open 10 (2), 1-22, 2020 | 69 | 2020 |
| Identified research gaps in employee engagement YA Iddagoda, H Opatha International Business Research 10 (2), 63-73, 2017 | 68 | 2017 |
| Employee Green Performance of Job: A Systematic Attempt towards Measurement NNJN Anton Arulrajah, H.H.D.N.P. Opatha Sri Lankan Journal of Human Resource Management 6 (1), 37-62, 2016 | 68 | 2016 |
| Sustainable Human Resource Management H Opatha I S B N:978-955-52907-1-5, Department of HRM, Faculty of Management Studies …, 2019 | 67 | 2019 |
| Organizational Behaviour: the human side of work HHDNP Opatha Author Publication/Department of HRM, University of Sri Jayewardenepura, 2015 | 66 | 2015 |
| Religiosity: Towards a conceptualization and an operationalization YA Iddagoda, H Opatha Sri Lankan Journal of Human Resource Management 7 (1), 2017 | 61 | 2017 |
| Quality of work life, job satisfaction, and the facets of the relationship between the two constructs J Ramawickrama, H Opatha, MD PushpaKumari Canadian Center of Science and Education, 2017 | 59 | 2017 |
| The Coronavirus and The Employees: A Study from the Point of Human Resource Management HHDNP Opatha Sri Lankan Journal of Human Resource Management 10 (1), 37-49, 2020 | 58 | 2020 |
| Performance evaluation of human resources H Opatha Institute of Management and Science. Sri Lanka, 2002 | 54 | 2002 |
| Personal Quality HHDNP Opatha Department of HRM, USJ, 2010 | 45 | 2010 |
| Performance appraisal system and business performance: An empirical study in Sri Lankan apparel industry MAMH Ali, H Opatha Department of Human Resource Management Faculty of Management Studies and …, 2008 | 44 | 2008 |
| Defining green and green human resource management: A conceptual study H Opatha, RA Hewapathirana International Journal of Arts and Commerce 8 (5), 1-10, 2019 | 31 | 2019 |
