problem pri joinovani tabuliek

Mam tabulku partners a courses medzi ktorymi je vztah M:N, teda mam vytvorenu dalsiu tabulku courses_partners, kde je len course_id a partner_id , ktore tvoria spolu primary key a course_id jeforeign key do tabulky courses a partner_id do partners.
V modeli CourseManager predavam takto data:

<?php
	return $this->database->table('courses_partners');
?>

V presenteri:

<?php
        $this->template->course = $this->courseManager->getAll();
?>

V sablone to vypisujem takto:

<?php
	{foreach $courses as $course}
        <tr>
            <td>{$course->courses->title}</td>
            <td>{$course->courses->description}</td>
            <td>{$course->courses->time|date:'d.m.Y'}</td>
            <td>{$course->courses->place}</td>
            <td> účastníci - {$course->partners->firstName} </td>
            <td>
                <a n:href="Course:detail $course->course_id" class="btn btn-success">detail</a>
            </td>
        </tr>
    {/foreach}
?>

na konci mi vypise chybu ze nepozna premenu courses v tomto riadku :

<?php
	<td>{$course->courses->title}</td>
?>