Yulina, S., and D. Hajar. “Perancangan Aplikasi Kids Menu Care Berbasis Constraint Satisfaction Problem Dan Algoritma Backtracking”. Jurnal Komputer Terapan, vol. 3, no. 2, Nov. 2017, pp. 223-31, https://jurnal.pcr.ac.id/index.php/jkt/article/view/1543.