Pujiastuti DY, Sulmartiwi L, Mubarak AS. Increasing the value added of production citronella oil and carrageenan in Rungkut Barata Surabaya. Kontribusia [Internet]. 2021 Aug. 3 [cited 2025 Jun. 7];4(2):399-403. Available from: https://journal.umg.ac.id/index.php/kontribusia/article/view/2065