public function create () : bool
	{
        $dbObject 	= Database::getInstance();
		$attributes = $this->sanitizedAttributes();
		$sqlQuery	= "INSERT INTO ".static::$tableName." (";
		$sqlQuery  .= join(", ", array_keys($attributes));
	  	$sqlQuery  .= ") VALUES ('";
		$sqlQuery  .= join("', '", array_values($attributes));
		$sqlQuery  .= "')";
		$result 	= $dbObject->query($sqlQuery);
    	$this->id 	= $dbObject->insertId();
    	return ($result) ? TRUE : FALSE;
	}