Thirapatsakun, T. ., and P. . Jarutirasarn. “Investigating Citizenship Behavior Effectiveness and Extending the Effectiveness of Project Implementation in Light of the Covid-19 Pandemic”. International Journal of Management and Sustainability, vol. 10, no. 4, Dec. 2021, pp. 135-50, doi:10.18488/journal.11.2021.104.135.150.