Which original to read the epic in?

At some age we all got acquainted with the national epic "Sasna Tsrer", read passages, got acquainted with the heroes of the epic.  However, few can say in which original they read the epic, in general, what is the original of the epic, to what extent do the existing publications represent the essence of the epic? These issues are discussed in parallel by literary critics Hayk Hambardzumyan and Arkmenik Nikoghosyan.