Journal Contact
Mailing Address
isoquant@umpo.ac.id
Principal Contact
Umi Farida
Universitas Muhammadiyah Ponorogo
Fakultas Ekonomi Universitas Muhammadiyah Ponorogo
Jl. Budi Utomo No. 10 Kelurahan Siman Kabupaten Ponorogo
Phone: 089524159515
Email: umifarida899@gmail.com
Support Contact
Rochmat Aldy Purnomo
Email: purnomo@umpo.ac.id