Hayati, N. et al. 2023. SHARIA EMPLOYEE COOPERATIVE SERVICE SYSTEM PT. PUPUK ISKANDAR MUDA. International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET). 2, 2 (Jan. 2023), 1220–1225. DOI:https://doi.org/10.54443/ijset.v2i2.125.