Pujiyanto, Eko, Universitas Sebelas Maret, Indonesia

• Vol. 19, No. 1, June 2020 - Articles
  Design of The Proposed Improvement to OVO’s Electronic Money Payment Services in Grab Online Transportation Services
  Abstract  PDF
• Vol. 19, No. 1, June 2020 - Articles
  Designing The Improvement of SPAM UNS Water Dispenser Service Quality
  Abstract  PDF