Dewanti , F. Deru, et al. “The Effect of Paitan (Tithonia Diversifolia) Dose on Growth and Yield of Potato (Solanum Tuberosum L.) Granola Purple Flowered Variety”. Nusantara Science and Technology Proceedings, Mar. 2022, pp. 105-8, https://doi.org/10.11594/nstp.2022.2014.