\documentclass[a4paper,12pt, listof=nochaptergap, oneside]{book}
\usepackage{program}
\begin{document}
\frontmatter
\include{Depan/1.Sampul}
\include{Depan/2.Judul}
\include{Depan/3.Persetujuan}
\include{Depan/4.Identitas}
\include{Depan/5.Orisinilitas}
\include{Depan/6.Riwayat}
\include{Depan/7.Ringkasan}
\include{Depan/8.Summary}
\include{Depan/9.Pengantar}
\include{Depan/10.DaftarIsi}
\include{Depan/11.DaftarTabel}
\include{Depan/12.DaftarGambar}
\include{Depan/13.DaftarSimbol}
\include{Depan/14.DaftarSingkatan}
\include{Depan/15.DaftarLampiran}
%Penomoran Halaman
\fancyhf{}
\cfoot{\thepage}
\renewcommand{\headrulewidth}{0pt}
%\pagestyle{fancy}
%\fancypagestyle{plain}
%{\fancyhf{}
% \renewcommand{\headrulewidth}{0pt}
% \cfoot{\thepage}}
%Memunculkan BAB
\makeatletter
\renewcommand{\@makechapterhead}[1]{
\vspace*{-15\p@}%Mengatur jarak bab
{\parindent \z@ \raggedright \ifnum \c@secnumdepth >\m@ne
\if@mainmatter
\center \MakeUppercase{\large\bfseries \@chapapp\space \thechapter}
%\chapapp\space memunculkan kata "Bab"
\par\nobreak
\vskip 1\p@ % Mengatur jarak antara "Bab 1" dan "Pendahuluan"
\fi
\fi
\interlinepenalty\@M
\large \uppercase{\bfseries #1\par\nobreak} %Bagian ini memunculkan judul bab
\vskip 24\p@ % Mengatur jarak antara "Bab 1" dengan "Teks"
}}
\makeatother
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%\makeatletter
%\pretocmd{\chapter}{\addtocontents{toc}{\protect\addvspace{15\p@}}}{}{}
%\makeatother
\mainmatter
\pagestyle{plain}
\include{Isi/1.Pendahuluan}
\include{Isi/2.Tinjauan}
\include{Isi/3.Kerangka}
\include{Isi/4.Metode}
\include{Isi/5.Hasil}
\include{Isi/6.Penutup}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\backmatter
\include{Belakang/1.Pustaka}
\include{Belakang/2.Lampiran}
\end{document}
