\documentclass[11pt,oneside]{book}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\title{Per-chapter bibliographies with BibLaTeX}
\usepackage[a4paper]{geometry}
\usepackage[backend=biber,style=authoryear,natbib=true]{biblatex}
\addbibresource{sample.bib}
\begin{document}
\frontmatter
\chapter*{Abstract}
This is \emph{not} a full thesis template! It only demonstrates how to create per-chapter references using BibLaTeX. (Do not use with BibTeX nor \texttt{natbib}!)
\tableofcontents
\mainmatter
%%%%%%%%%%%%%%%%%%%%%%%%%%
\chapter{First Chapter}
\begin{refsection}
\section{Section Heading}
Here's a citation! \citep{latex:companion}
\printbibliography[heading=subbibintoc]
\end{refsection}
%%%%%%%%%%%%%%%%%%%%%%%%%%%
\chapter{Second Chapter}
\begin{refsection}
\section{Section Heading}
Here's another citation! \citep{lshort}
\printbibliography[heading=subbibintoc]
\end{refsection}
\backmatter
%% A list of publications can be created using this approach
\begin{refsection}
\nocite{lim:etal:kdtei:2016,markdown:overleaf} % .bib keys of your own publications
\printbibliography[heading=bibintoc,title={List of Publications}]
\end{refsection}
\end{document}