A five step refactoring process : improving software design properlyPõld, Janari; Kalja, Ahto; Robal, TarmoInfo- ja kommunikatsioonitehnoloogia doktorikooli IKTDK kolmanda aastakonverentsi artiklite kogumik : 25.-26. aprill 2008, Voore külalistemaja2008 / p. 93-96 : ill

A five step refactoring process : improving software design properlyPõld, Janari; Kalja, Ahto; Robal, TarmoDatabases and information systems : proceedings of the Eighth International Baltic Conference, Baltic DBAMPIS 2008 : Tallinn, June 2-5, 20082008 / p. 37-48 : ill

On proving the concept of an ontology aided software refactoring toolPõld, Janari; Robal, Tarmo; Kalja, AhtoDatabases and information systems : tenth international Baltic conference on databases and information systems : local proceedings, materials of doctoral consortium : Vilnius, Lithuania, July 8-11, 20122012 / p. 179 https://www.researchgate.net/publication/287294774_On_proving_the_concept_of_an_ontology_aided_software_refactoring_tool