\documentclass[12 pt]{book}
\usepackage{amsthm, amssymb, amsmath}
\usepackage{multirow}
\usepackage{diagbox}
\usepackage{blkarray}

\usepackage{xepersian}
\settextfont{Yas}


\begin{document}


\begin{table}[h!]
\begin{center}
\begin{tabular}{cc|cc|cc}
& & $(q_2)$ & $(q_1)$ &  & \\
& $\min$ & $B_2$	 & $B_1$ & 
\diagbox[width=2em,trim=l]{$A$}{$B$} \\
\cline{2-5}
$\longrightarrow \mathrm{Maximin}$ &$\fbox{5}$ & 5 & 6 & $A_1$ & $(p_1)$ \\
& 3 & 7 & 3 & $A_2$ &  $(p_2)$ \\
\cline{2-5}	
 & & 7 & $\fbox{6}$ & $\max$ & \\	
 & & & $\substack{\downarrow \\ \mathrm{Minimax}}$ & \\
\end{tabular}
\end{center}
\end{table}

\end{document}