1. 6 petrol pumps shut for cheating in Narayanganj, Narsingdi. (2019). The Business Standard. Retrieved August 24, 2020, from https://tinyurl.com/y57t9r9z.
2. Aguilar, A. (2006). ¿Qué es una verificación? Asegurando litros de a litro. Revista Del Consumidor, 351, 16–21.
3. Arteaga, J. C., & Flores, D. (2010). Regulation, competition and fraud: evidence from retail gas stations in Mexico. MPRA Paper 34187. Retrieved August 18, 2019, from https://mpra.ub.uni-muenchen.de/34187/.
4. Becker, G. (1968). Crime and punishment: An economic approach. Journal of Political Economy, 76, 169–217. https://doi.org/10.1086/259394
5. Bisceglia, M., Cellini, R., & Grilli, L. (2018). Regional regulators in health care service under quality competition: A game theoretical model. Health Economics, 27, 1821–1842. https://doi.org/10.1002/hec.3805