@misc{dr2008case,
  title = {Case Study Implementation of Performance Contract in a Paper Mill}
  author = {Dr G C DATTA ROY},
  url = {https://www.e2singapore.gov.sg/data/0/docs/Case_Study_of_the_Implementation_of_Performance_Contracting_in_a_Paper_Mill.pdf},
  year = {2008}
}