Terrorist Activities

• PETN (Pentaerythritol Tetranitrate): An In-Depth Look
  
  Comprehensive Overview of PETN and Its Applications
  https://www.onlineupscinstitute.com/current-affair/petn-pentaerythritol-tetranitrate-an-in-depth-look
• Understanding the Islamic State's Resurgence and Its Security Threats
  
  Insights into IS-Khorasan and Regional Security Challenges
  https://www.onlineupscinstitute.com/current-affair/understanding-the-islamic-states-resurgence-and-its-security-threats