Patmakan teghekutʻiwnner Hayastani hogheri oṛogman masin
By: gretsʻ Mesrop Magistros Arkʻepiskopos
Publisher: Tparan Srbotsʻ Hakobeantsʻ
Published: 1936
Place of publication: Erusaghēm
Language: arm
Number of pages: 142
Subjects: Irrigation; History