Identification of the morphological features of indigenous microbial from bauxite residue disposal areas in IndonesiaAndriyan Yulikasari, Bieby Voijant Tangahu, Ervin Nurhayati, Isni Arliyani, Mashudi, Harmin Sulistiyaning Titah, Yeng Ming Lam, Yamin Wang, Hurun In and Mery Maryanawati SoesiloE3S Web Conf., 557 (2024) 03003DOI: https://doi.org/10.1051/e3sconf/202455703003