Peneliti Teknologi Teknik Indonesia (PTTI)

Email: info@ptti.web.id

Office Address: Jl. Empu Sedah No. 12, Pringwulung, Condongcatur, Kec. Depok, Kabupaten Sleman, Daerah Istimewa Yogyakarta 55281, Indonesia

Publisher PTTI

Email: info@publisher.ptti.web.id