IT juhtimine
Onemar, Ats
;
Praust, Valdo
;
Tepandi, Jaak
;
Perens, Algis
1999
https://www.ester.ee/record=b1313380*est
IT juhtimine
Onemar, Ats
;
Praust, Valdo
;
Tepandi, Jaak
;
Perens, Algis
1999
https://www.ester.ee/record=b1686763*est