Yetbarak Gasasa Mara - Bahra qamar : hulataña : ya'ahazena yabahra qamar qweter madbal : kina tebena sena tebab sedestaña / ma. Yetbarak Gasasa

Adis 'Ababa, Negd matamiya dereget, 2004 [2011 CE]. orig. wrappers. 20x14cm, 144 pp.. ISBN: 9789994483723. Minor wear. VG. ¶ Text entirely in Amharic. The last of the author's four books concerning the Ethiopian numbering system. Date of publication given as 2004 ( Ethiopian calendar) [ 2011 / 2012 Gregorian calendar].