Gultom, L.
(2018).
 ANALISIS TINGKAT OPTIMASI FAKTOR-FAKTOR USAHATANI KENTANG (Solanum tuberosum).
<em>JURNAL AGRIBIZDA (Journal Of Agribizda), 2</em>(2), 72-87.
Retrieved from <a href="https://jurnal.darmaagung.ac.id/index.php/agribizda/article/view/46" target="_new">https://jurnal.darmaagung.ac.id/index.php/agribizda/article/view/46</a>