WIDJAJA, Willy Pranata.
 PENAMBAHAN KOLAGEN SISIK DAN TULANG IKAN GURAMI (Osphronemus goramy) PADA MINUMAN JUS JAMBU BIJI (Psidium guajava L).
<strong>Pasundan Food Technology Journal (PFTJ)</strong>, [S.l.], v. 6, n. 3, p. 175-182, jan. 2020.
ISSN 2615-1405.
Available at: &lt;<a href="https://journal.unpas.ac.id/index.php/foodtechnology/article/view/2174" target="_new">https://journal.unpas.ac.id/index.php/foodtechnology/article/view/2174</a>&gt;. Date accessed: 15 jan. 2021.
doi: <a href="http://dx.doi.org/10.23969/pftj.v6i3.2174">http://dx.doi.org/10.23969/pftj.v6i3.2174</a>.