Purba, Breni Ency, Telkom University, Indonesia

• eProceedings of Engineering Vol. 8 No. 2 (2021): April 2021 - Program Studi S1 Teknik Industri
  Analisis Kelayakan Pembukaan Toko Online Usaha Us Green Coffee Di Simpang Hinalang Simalungun
  Abstract  PDF