| Matematika i muzika Z Šikić, Z Ščekić Profil, 2013 | 12 | 2013 |
| Novija filozofija matematike Z Šikic U: Novija filozofija matematike, ur. Z. Šikic, Beograd: Nolit, 1-32, 1987 | 11 | 1987 |
| Kako je stvarana novovjekovna matematika Z Šikić Školska knjiga Zagreb, 1989 | 10 | 1989 |
| Knjiga o kalendarima Z Šikić Profil International Zagreb, 2001 | 9 | 2001 |
| Filozofija matematike Z Šikić | 9 | 1995 |
| Matematika 7, udžbenik i zbirka zadataka za sedmi razred osnovne škole, prvo polugodište Z Šikić, I Golac-Jakopović, M Vuković, L Krnić Profil, Zagreb, 2007 | 6 | 2007 |
| Račun diferencijalni i integralni: Dio 1 L Krnić, Z Šikić Školska knjiga, 1992 | 6 | 1992 |
| Cantor's theorem and paradoxical classes Z Šikić Mathematical Logic Quarterly 32 (13‐16), 221-226, 1986 | 5 | 1986 |
| Matematika 6, Udžbenik i zbirka zadataka za šesti razred osnovne škole, 2.-polugodište Z Šikić, V Draženović–Žitko, M Marić, L Krnić Profil, Zagreb, 2014 | 4 | 2014 |
| The diagonal argument—a study of cases Z Šikić Taylor & Francis Group 6 (3), 191-203, 1992 | 4 | 1992 |
| Taylor's theorem Z Šikić International Journal of Mathematical Education in Science and Technology 21 …, 1990 | 4 | 1990 |
| What is Probability and Why Does it Matter? Z Šikić European Journal of Analytic Philosophy 10 (1), 21-43, 2014 | 3 | 2014 |
| Istine i laži o zlatnom rezu Z Šikić Poučak br 15, 50-69, 2003 | 3 | 2003 |
| A proof of the characterization theorem for consequence relations Z Šikić Mathematical Logic Quarterly 37 (2‐4), 41-43, 1991 | 3 | 1991 |
| Continuing variations on a system of Gentzen Z Šikić Mathematical Logic Quarterly 31 (31‐34), 537-544, 1985 | 3 | 1985 |
| Rules of thumb for positive and negative test results Z Šikić Journal of evaluation in clinical practice 27 (1), 158-159, 2021 | 2 | 2021 |
| Mathematical logic: mathematics of logic or logic of mathematics Z Šikić Guide to Deep Learning Basics: Logical, Historical and Philosophical …, 2020 | 2 | 2020 |
| What are numbers? Z Šikić International studies in the philosophy of science 10 (2), 159-171, 1996 | 2 | 1996 |
| On the equivalence of the solution lemma and Aczel’s antifoundation axiom Z Šikić na, 1994 | 2 | 1994 |
| Premiss tree proofs and logic of contradiction Z Šikić Mathematical Logic Quarterly 36 (3), 273-280, 1990 | 2 | 1990 |
