diyah, siti. 2020. “A IMPLEMENTASI METODE LEAST SQUARE DALAM MEMPREDIKSI PATTY CASH DI JANK-JANK WINGS BLITAR”. Journal of Informatics Information System Software Engineering and Applications (INISTA) 3 (1), 13-22. https://doi.org/10.20895/inista.v3i1.145.