TY - JOUR AU - Abou El-Anwar PY - 2019 DA - 2019// TI - Mineralogical and petrographical studies of agricultural soil, Assiut Governorate, Egypt JO - Bull Natl Res Cent VL - 43 UR - https://doi.org/10.1186/s42269-019-0068-z DO - 10.1186/s42269-019-0068-z ID - Abou El-Anwar2019 ER -