Articles

• Duality for a class of second order symmetric nondifferentiable fractional variational problems

  Ashish Kumar Prasad, Anant Pratap Singh, Sony Khatri

  121-136

  • https://doi.org/10.2298/YJOR1902
• Portfolio Selection Using R

  Rohan Mishra, Bhagwat Ram

  137-146

  • https://doi.org/10.2298/YJOR1811
• Modelling Cooperative Advertising Decisions in a Manufacturer-Distributor-Retailer Supply Chain Using Game Theory

  Peter E. Ezimadu

  147-176

  • https://doi.org/10.2298/YJOR1811
• Estimation of Parameters of Nadarajah-Haghighi Extension of the Exponential Distribution Using Perfect and Imperfect Ranked Set Sample

  Marija Minić

  177-198

  • https://doi.org/10.2298/YJOR1904
• Power of Control Chart for the Ratio of Two Poisson Distributions Under Misclassification Error

  Anwer Khurshid, Ashit B Chakraborty

  199-208

  • https://doi.org/10.2298/YJOR1803
• Joint optimal decisions on pricing and warranty policy of duopoly supply chain with one common retailer

  Soumita Kundu, Tripti Chakrabarti

  209-236

  • https://doi.org/10.2298/YJOR1806
• Optimizing Preservation Strategies for Deteriorating Items with Time-Varying Holding Cost and Stock-Dependent Demand

  Aditi Khanna, Priyamvada Pritam, Chandra K Jaggi

  237-250

  • https://doi.org/10.2298/YJOR1902