Uredsko poslovanje tijela državne uprave republike Hrvatske

#24 Provera stanja tehničke ispravnosti vozila u saobraćaju

#18 O tragovima biološkog porijekla u kriminalističkoj obradi

#15 Kako se vrši lišavanje slobode

Radno i socijalno pravo, knj. I: Radni odnosi (II)

The book is a professional textbook that was used in Yugoslavia at the time as basic literature for students of law, economics and administration, as well as for practitioners in the field of labor relations, self-management and social security.

Ogledi o društvenim procesima i institucijama

The second book by the authors Petković and Kregar, which is intended for students preparing for exams. The first was published under the title "Review of the main systems of sociological theories".

#6 Služba unutrašnjih poslova i prevencija kriminaliteta