1. Watini, “Pengaruh Waktu Kontak Eceng Gondok (Eichornia crassipes) terhadap Penurunan Kadar Cd dan Cr pada Air Limbah Industri Batik (Home Industry Batik Di Desa Sokaraja Lor) Kota Purwokerto [The Effect of Water Hyacinth (Eichornia crassipes) Contact Time on the Reduction of Cd and Cr Levels in the Wastewater Industry of Batik (Home Industry Batik in Sokaraja Lor Village Purwokerto City]”. Undergraduate Thesis. Universitas Jenderal Soedirman, Purwokerto. 2009.
2. D. Pringgenies, E. Supriyantini, R. Azizah, R. Hartati, Irwani, O.K. Radjasa, Jurnal Info LPPM 15(1), 1–10 (2013)
3. Hernayanti, E. Proklamasiningsih, Jurnal Pembangunan Pedesaan. 4(3) 164–172, (2004)
4. L. A. Putri, “Anatomi akar krisan (Chrysanthemum morifolium Ramat.) terkondisi limbah cair pewarnaan batik [Root anatomy of Chrysanthemum morifolium Ramat21 conditioned in liquid waste of batik coloring]” Undergraduate Thesis, Faculty of Biology, Universitas Gadjah Mada, Yogyakarta, 2018.
5. Biological treatment of a dye solution by Macroalgae Chara sp.: Effect of operational parameters, intermediates identification and artificial neural network modeling