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  1. The influence of sulfuric acid crosslinked on mechanical and chemical properties of chitosan/Pahae natural zeolite membrane

    Article • January 2023, American Institute of Physics

    yuan alfinsyah sihombing

  2. Detection of air temperature, humidity and soil pH by using DHT22 and pH sensor based Arduino nano microcontroller

    Article • January 2020, American Institute of Physics

    yuan alfinsyah sihombing

  3. Fabrication and characterization of physical and mechanical properties based on clay and cacao rind porous ceramics

    Article • January 2020, American Institute of Physics

    susilawati susilawati, yuan alfinsyah sihombing

  4. The utilization of cocoa rind waste and clay as filter materials in purifying well water

    Article • January 2020, American Institute of Physics

    susilawati susilawati, yuan alfinsyah sihombing