Alkhairi, Putrama, Ela Roza Batubara, Rika Rosnelly, W Wanayaumini, and Heru Satria Tambunan. “Effect Effect of Gradient Descent With Momentum Backpropagation Training Function in Detecting Alphabet Letters”. Sinkron : jurnal dan penelitian teknik informatika 7, no. 1 (February 6, 2023): 574-583. Accessed July 7, 2026. https://jurnal.polgan.ac.id/index.php/sinkron/article/view/12183.