“Effect of Tithonia Diversifolia Extract on the Biodegradability of the Bioplastics in Plantation Soil (Pengaruh Ekstrak Tithonia Diversifolia Terhadap Biodegradabilitas Bioplastik Di Tanah Perkebunan)”. Menara Perkebunan 86, no. 2 (October 25, 2018). Accessed August 27, 2026. https://mp.iribb.org/index.php/mpjurnal/article/view/293.