The only Local Orthodox Church of Ukraine. Official page of the PCU
https://www.pomisna.info/uk.
The application was created by God's grace and with the blessing of Archpriest Mykola Khrapach, rector of the Holy Intercession Church in Poltava, the Orthodox Church of Ukraine.
The Trebnik publishing house of the UOC-KP, Kyiv, 2000, was taken as a basis.
Warning! "Trebnyk" was created EXCLUSIVELY for liturgical use, and reading it by worldly people - entails mortal sin. Recommended for priests for the glory and honor of the Most Holy, One, Life-giving and Indivisible Trinity - the Father and the Son and the Holy Spirit.