Pujiastuti, Dwi Yuli, et al. “Increasing the Value Added of Production Citronella Oil and Carrageenan in Rungkut Barata Surabaya”. Kontribusia : Research Dissemination for Community Development, vol. 4, no. 2, Aug. 2021, pp. 399-03, doi:10.30587/kontribusia.v4i2.2065.