Author Details

Jonuarti, Riri, Departement of physics, Universitas Negeri Padang, Jl. Prof. Dr. Hamka Air Tawar Padang 25131, Indonesia

  • Vol 17, No 1 (2024) - Articles
    Analysis Titanium Dioxide and Zinc Oxide in Physical Sunscreen Commercial with Protection Value 35 SPF
    Abstract  PDF
  • Vol 17, No 1 (2024) - Articles
    Mechanical Characteristics of Organic Waste-Based Biodegradable Plastics with Variations in Cellulose Concentration and Synthesis Temperature
    Abstract  PDF