documentclass[a4paper,oneside,12pt]{memoir}
usepackage[utf8]{inputenc}
usepackage{diplomski}
usepackage[languagenames,fixlanguage,croatian]{babelbib}
usepackage[pdftex]{hyperref}
usepackage{txfonts}
usepackage{url}
usepackage[pdftex]{graphicx}
usepackage{graphicx}
usepackage{subcaption}
usepackage{siunitx}
pagestyle{headings}
title{Title}
author{Author}
advisor{Advisor}
date{Date Year}
dedication{Dedication...}

begin{document}
frontmatter
begin{intro}
Intro
newpage
introoo
end{intro}
chapter{Chapter}
pagestyle{empty}
begin{sazetak}
sazetak
end{sazetak}
begin{summary}
In this ...
end{summary}
begin{cv}
Dana ...
end{cv}
end{document}