Malawani, M. N., Sunarto, S., Handayani, T., & Yoga, A. G. H. (2019). Recent delta evolution based on mollusk shell record on sediment in Delta Wulan, Demak, Indonesia. Geo Media: Majalah Ilmiah Dan Informasi Kegeografian, 16(2). https://doi.org/10.21831/gm.v16i2.25204