M/M/R+r machining system with reneging, spares and interdependent controlled rates. - Madhu Jain; G. C. Sharma; Varsha Rani (Int. J. Math. Oper. Res., 2014)

Cost Analysis for a Supplier in an Inflationary Environment with Stock Dependent Demand Rate for Perishable Items. - Madhu Jain; G. C. Sharma; Varsha Rani (Adv. Decis. Sci., 2014)

Multi-component machine repair problem with unreliable repairman, reboot, imperfect recovery and retrial. - Madhu Jain; G. C. Sharma; Varsha Rani (Int. J. Internet Enterp. Manag., 2016)