Usman, Usman, Program Studi Magister Pendidikan Kimia, FKIP, Universitas Mulawarman, Jl. Muara Pahu Kampus Gn. Kelua, Samarinda, Kalimantan Timur, Indonesia

• Vol 2, No 3 (2017): JKPK (Jurnal Kimia dan Pendidikan Kimia) - Articles
  Phytochemical Test and Antibacterial Test of Rhizopora apiculata Mangrove-Root against Escherichia coli and Staphylococcus aureus Bacteria
  Abstract  PDF
• Vol 3, No 1 (2018): JKPK (Jurnal Kimia dan Pendidikan Kimia) - Articles
  Development of Applicative-Integrative Student Worksheet Based on Scientific Approach on Reaction Rate Subject
  Abstract  PDF