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\caption{A figure}
\floatfoot{A note}
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\usepackage{authblk}
\affil{Deparment of Economics and Agribusiness, Universiti Utara Malaysia.}
\usepackage{amsmath}
\begin{equation}
log L\sum\limits_{i=j}^{N}\sum\limits_{j=1}^{J}y_{ij}\begin{bmatrix}
\dfrac{exp(V_{ij}}{\sum\limits_{j=1}^{J}exp(V_{ij}}
\end{bmatrix}
\end{equation}
\usepackage{amsmath}
\newtheorem{proposition}{Proposisi}\newtheorem{proof}{Bukti}
\thispagestyle{empty}
after maketitle before \pagebrake as follow\thispagestyle{empty}
\pagebreak
` and '. Double quotation marks are produced by typing `` and ''. (The `undirected double quote character" produces double right quotation marks: it should never be used where left quotation marks are required.)-, en-dashes by typing -- and em-dashes by typing ---.on pages 155--219.
\renewcommand{\refname}{Rujukan}
\renewcommand{\abstractname}{Abstrak}
untuk menukar nama rujukan dan abstrak. daripada english ke malay.
\begin{equation}\label{Ionx}
\begin{split}
x_I=\dfrac{\partial x}{\partial I}=\dfrac{t'(I)\pi^{*}_{x^*x^*}}{D}>0 \\
x^{*}_{I}=\dfrac{\partial x^*}{\partial I}=-\dfrac{t'(I)\pi^{*}_{x^*x}}{D}<0
\end{split}
\end{equation}
\documentclass[12pt]{article}
\usepackage[utf8]{inputenc}
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\usepackage{amssymb}
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\newtheorem{proposition}{Proposition}
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\newtheorem{lemma}[theorem]{Lemma}
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%\label kemudiaan \eqlabel
\begin{document}
\title{Strategic }
\author{name}
\date{Seminar }
\maketitle
\begin{center}
\textit{Preliminary and Incomplete}
\end{center}
\pagebreak
\doublespacing
\section{Introduction}
Namely, in the case of competition between the PTP and the PSA, where the two ports locate at the closer proximity and the intervention of both governments are critical. The government use the port as the strategic trade policy is questioning. In this similar case, \cite{Minjuetal2011} have
\section{Model}
The characteristics of the model are depicted in Figure 1.
\begin{figure}[h]
\caption{Model Structure}
\centering
\includegraphics[width=0.8\textwidth]{Figure1.png}
\label{figure}
\end{figure}
The port user costs depend on the port capacity, $K$, and volume of total traded good, $X$.
\begin{equation}\label{port user cost}
\tau_m = S_m(\omega_i/K_i)+t,\: i,m=1,2,\: i\neq m
\end{equation}
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