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1Argitaratua 2001Gaiak “...Time management New Zealand...”
Liburua -
2nork Lahari, WillieGaiak Archived copy available at the National Library of New Zealand
Argitaratua 2008
Baliabide elektronikoa eBook -
3Argitaratua 1999Gaiak “..."Justice in Time" Project Evaluation....”
Liburua