Davis A, Mehrotra S, Holl J, Daskin MS. Nurse staffing under demand uncertainty to reduce costs and enhance patient safety. Asia Pac J Oper. 2014 Feb;31(1):1-19. doi: 10.1142/S0217595914500055
Knox D, Gibson L, Zusman ME, Gallmeier C. Why college students end relationships. Coll Stud J. 1997 Jan 1;31(4):449-52.