What code should I add to make it display data from different tables.

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SQL

PHP

<?php
     include("keselamatan.php");
     include("sambungan.php");
     include("penjual_menu.php");
?>

<link rel="stylesheet" href="asenarai.css">
<link rel="stylesheet" href="abutton.css">

<table>
	 <tr>
	 	  <th>ID Product</th>
	 	  <th>ID Model</th>
	 	  <th>Model Name</th>
	 	  <th>Picture</th>
	 	  <th>Price</th>
	 	  <th>Processor</th>
	 	  <th>RAM</th>
	 	  <th>Storage</th>
	 	  <th colspan="3">Note</th>
	 </tr>
      
     <?php    
          echo"<caption>LIST OF PRODUCT $tajuk</caption>";


          $sql = "select * from produk ".$syarat;
          $result = mysqli_query($sambungan,$sql);
          while($produk = mysqli_fetch_array($result)) {
          	    $IDProduk = $produk["IDProduk"];
          	    echo "<tr><td>$produk[IDProduk]</td>
          	    	 <td>$produk[IDModel]</td>
          	    	 <td><img width= 100 src='imej/$produk[gambar]'></td>
          	    	 <td>RM $produk[Harga]</td>
          	    	 <td>
          	    	 	 <a href='produk_update.php?IDProduk=$IDProduk'title='update'>
          	    	 	 	   <img src='imej/update.png'>
          	    	 	 </a>
          	    	 </td>
          	    	 <td>
          	    	 	 <a href='javascript:padam(\"\");'title='delete'>
          	    	 	       <img src='imej/delete.png'>
          	    	 	 </a>
          	    	 </td>
          	    	 <td>
          	    	 	 <a href='produk_maklumat.php?IDProduk=$IDProduk'title='maklumat'>
          	    	 	 	   <img src='imej/info2.png'>
          	    	 	 </a>
          	    	 </td>
          	    </tr>";
          }
    ?>
</table>
<center><button class="cetak" onclick="window.print()">Print</button></center>

<script>
      function padam(id)  {
      	    if (confirm("Do you want to delete this product?") == true){
      	    	   window.location = "produk_delete.php?IDProduk=" + id;
      	    }
      }
</script>

What I have tried:

In fact, the data I want to show comes from two different tables in the same database, which are produk and model.
produk (IDProduk, IDModel, Harga)
model (IDModel, NamaModel, Processor, RAM, Storage)

# Harga = Price