Ika Silvia Ramadani, Rina Filia Sari, dan Hendra Cipta. “FUZZY MAMDANI FORECASTING OF BLOOD BAG SUPPLY AT INDONESIAN RED CROSS BLOOD IN DELI SERDANG REGENCY UNIT”. INFOKUM, Vol. 10, no. 5, Desember 2022, hlm. 361-7, https://infor.seaninstitute.org/index.php/infokum/article/view/3016.