Gammachuun mana hidhaa wayita jiru, luba amantii kaatolikii Abbaa Biraana Yesus (yeroo sana Abbaa Dammiroo Suraafel jedhama) wajjin wal bare. Abbaa Biraana Yesus ammoo antiroppooloojistii fi luba kan ture Laamberti Baartelsi wajjin wal barsiise. Dr Gammachuun Baatelsi wajjin waggaa saddet hojjate. Laamberti Baartelsi yeroo kana kitaabaa waa'ee amantii Oromoo ibsu kan ""Oromo religion: myths and rites of the western Oromo of Ethiopia: an attempt to understand"" jedhamu barreessee maxxanse.