S. N. Kholifah and M. Nu’man, “???????? ??????? ??????? ?????? ????? ???????? ??????? ????? ????? ?????? ?????? ??? ?????? ???????? ????????? ???? ????????? PAIR CHECK ?????? ????? ????? ???????”, alfazuna, vol. 4, no. 1, pp. 119–143, Dec. 2019.