Mathematics

• First-Principle Study of the Structural, Electronic, and Optical Properties of Cubic Cesium Lead Halide Perovskites for Photovoltaic System

  Muhammad Waqas

  1-16

  • First-Principle Study of the Structural, Electronic, and Optical Properties of Cubic Cesium Lead Halide Perovskites for Photovoltaic System 274

  DOI : https://doi.org/10.32350/sir.42.01
  Abstract Views: 880   |   Downloads: 274
• A Comparative Study of FCSM, FSAW and TOPSIS Techniques using Triangular Fuzzy Numbers

  Muhammad Saeed, Fazal Dayan, Usman Ali

  17-30

  • A Comparative Study of FCSM, FSAW and TOPSIS Techniques using Triangular Fuzzy Numbers 79

  DOI : https://doi.org/10.32350/sir.42.02
  Abstract Views: 162   |   Downloads: 79
• Role of Heavy Metals and Anthropogenic Activities in Water Contamination

  Shabbir Hussain, Khalida Nazir , Muhammad Amjad, Fauzia Kanwal, Umair Khan, Muhammad Riaz

  31-47

  • Role of Heavy Metals and Anthropogenic Activities in Water Contamination 134

  DOI : https://doi.org/10.32350/sir.42.03
  Abstract Views: 273   |   Downloads: 134
• Analysis of COVID-19 by Means of Graph Theory

  Abaid ur Rehman Virik, Iqra Malik

  48-62

  • Analysis of COVID-19 by Means of Graph Theory 81

  DOI : https://doi.org/10.32350/sir.42.04
  Abstract Views: 105   |   Downloads: 81
• Decision Making in Mass Media Using Fuzzy Soft Sets

  Hamiden Abd El- Wahed Khalifa, Muhammad Saeed, Muhammad Kamran Aslam, Asad Mehmood, Sultan S Alodhaibi

  • Decision Making in Mass Media Using Fuzzy Soft Sets 84

  DOI : https://doi.org/10.32350/sir.42.05
  Abstract Views: 133   |   Downloads: 84