the purpose of the managerialism is economy, efficiency, effectiveness in provision public services. also it emphasizes to follow the market strategies instead of bureaucracy. due to increasing productivity of public services management by using flexible styles and public opinion, this approach has provided to response the problems of traditional theory of administration. negative aspects of ma...

#BlackLivesMatter is still used by netizens to express opinions about the Black Lives Matter movement which developing today. In April 2021, court ruled for Derek Chauvin, police officer who shot George Floyd. addition, there are many shootings of black citizens in United States and various other countries. This study aims determine spread #BlackLivesMastter public opinion on Twitter during 20 ...