| Issue Date | Title | Author(s) | Type | Мp-cat. |
| 2018 | A Short Introduction Into Innovative World of Masternode Coins | Opačić, Mladen   ; Veinović, Mladen ; Adžić, Dunja | Conference Paper | |
| 2025 | Architecture of an Automated Grading System Using Solidity for Blockchain Development | Dimitrijević, Nikola ; Opačić, Mladen ; Kubat, Sergej; Zdravković, Nemanja | Conference Paper | |
| 2025 | Assessment of the Impact of Solar Power Integration and AI Technologies on Sustainable Local Development: A Case Study from Serbia | Aco Benović; Miroslav Miškić ; Vladan Pantović ; Slađana Vujičić; Dejan Vidojević ; Mladen Opačić ; Filip Jovanović | Article | |
| 2023 | Exploratory Analysis of the E-government E-skills of Serbian Citizens and Their Ability to Use E-government Services with Special Emphasis on the Regional Differences | Оpačić, Mladen ; Pantović, Vladan ; Vidojević, Dejan; Štavljanin, Velimir | Article | |
| 2014 | Implications of information systems use on the development of Web 2.0 based knowledge management system framework | Opačić, Mladen ; Veinović, Mladen | Conference Paper | |
| 2025 | Improving Student Engagement through Learning Analytics and Early Interventions with Learning Locker | Grujić, Anđela ; Jović, Jovana ; Opačić, Mladen ; Kisić, Emilija ; Zdravković, Nemanja | Conference Paper | |
| 2023 | Jedan model sistema za menadžment znanja Zasnovan na veb 2.0 tehnologijama | Opačić, Mladen | Doctoral theses | |
| 2010 | Nivo inovativnosti sertifikovanih organizacija kao indikator efektivnosti organizacija koje uče | Heleta, Milenko; Mašić, Branislav; Opačić, Mladen | Article | |
| 2013 | Social networking systems through the lens of knowledge management | Veinović, Mladen ; Opačić, Mladen ; Cvijanović, Vojkan | Conference Paper | |
| 2020 | Student Motivation to Learn About Blockchain Technology | Opačić, Mladen ; Veinović, Mladen | Conference Paper | |
| 2015 | The importance of experience with web 2.0 technologies for knowledge management system development | Veinović, Mladen ; Opačić, Mladen | Conference Paper | |
| 2012 | Using Wikis as Knowledge Management Tools for Knowledge Sharing and Innovation in the Times of Economic Crisis | Opačić, Mladen ; Veinović, Mladen | Conference Paper | |
| 2013 | Veb 2.0 tehnologije u službi menadžmenta znanja | Opačić, Mladen ; Veinović, Mladen | Article | |