\documentclass[a5paper,11pt]{book}
\usepackage{program}
%================================================
% FONT UTAMA
% Gunakan compiler XeLaTeX atau LuaLaTeX
%================================================
\usepackage{fontspec}
\defaultfontfeatures{
Ligatures = TeX,
Scale = MatchLowercase
}
\setmainfont{TeX Gyre Pagella}
% Font untuk rumus matematika
\usepackage{unicode-math}
\setmathfont{TeX Gyre Pagella Math}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%KALKHULUQS%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{document}
\frontmatter
\include{Depan/1.Sampul}
\pagestyle{plain}
\pagenumbering{roman}
\setcounter{tocdepth}{2}
\include{Depan/2.Judul}
\include{Depan/3.Pernyataan}
\include{Depan/4.Persetujuan}
\include{Depan/5.Pengesahan}
\include{Depan/6.Abstrak}
\include{Depan/7.Abstract}
\include{Depan/8.Pengantar}
\include{Depan/9.DaftarIsi}
\include{Depan/10.DaftarTabel}
\include{Depan/11.DaftarGambar}
\include{Depan/12.DaftarLampiran}
\include{Depan/13.DaftarSimbol}
% Penomoran halaman
\fancyhf{}
\fancyhf[lef,rof]{\thepage}
\renewcommand{\headrulewidth}{0pt}
\pagestyle{fancy}
\fancypagestyle{plain}{
\fancyhf{}
\renewcommand{\headrulewidth}{0pt}
\fancyhf[lef,rof]{\thepage}
}
% Format judul BAB
\makeatletter
\renewcommand{\@makechapterhead}[1]{
\vspace*{1\p@}%
{\parindent \z@
\raggedright
\normalfont
\ifnum \c@secnumdepth >\m@ne
\if@mainmatter
\center
\MakeUppercase{
\vspace{-10pt}
\normalsize
\bfseries
\@chapapp\space\thechapter
}
\par\nobreak
\vskip 1\p@
\fi
\fi
\interlinepenalty\@M
\normalsize
\uppercase{\bfseries #1\par\nobreak}
\vskip 24\p@
}
}
\makeatother
\allowdisplaybreaks
\mainmatter
\pagenumbering{arabic}
\include{Isi/1.Pendahuluan}
\include{Isi/2.Kajian}
\include{Isi/3.Metode}
\include{Isi/4.Pembahasan}
\include{Isi/5.Penutup}
\backmatter
\include{Belakang/1.Pustaka}
\include{Belakang/2.Lampiran}
\include{Belakang/3.Biodata}
\end{document}
