The result is not i want.

Hi;
i want to have a result like the following when i click on any of link,

http://www.xxxxxx.com/xxxx/find_agent_by_name_3.php?companyname=aaa&province_state_territories=nnnn&city=jjj

but my code does not respone the right result i want, it display on the brower like "http://www.xxxx.com/xxxx/find_agent_by_name_3.php?companyname="


could anyone help, please.

my code as following

echo '<a href="find_agent_by_name_3.php?companyname="' . $row['companyname'] . '"&province_state_territories="' . $province_state_territories . '"&city="' . $city. '">';
echo $row['companyname'];
echo "</a>";

thanks, i have fixed the problem already