by Shofianah, Nur, Fitri, Sa'adatul, Trisilowati, Kristanti, Karunia Theda
Published in Journal of physics. Conference series (01.06.2020)

by Fitri, Sa’adatul, Thomas, Derek K.
Published in Mathematics (Basel) (01.02.2020)

by Fitri, Sa'adatul, Marjono, Thomas, D. K., Bagus E. W., R.
Published in Journal of physics. Conference series (01.04.2019)

by Fitri, Sa’adatul, Marjono, Thomas, Derek K., Wibowo, Ratno Bagus Edy
Published in Demonstratio mathematica (07.05.2020)

by Mohd Nordin, Muhammad Haziq Iqmal, Hamzah, Khairum Bin, Khashi’ie, Najiyah Safwa, Waini, Iskandar, Nik Long, Nik Mohd Asri, Fitri, Saadatul
Published in Mathematics (Basel) (01.07.2023)

by Ni Made Asih, Sa'adatul Fitri, Ratno Bagus Edy Wibowo, Marjono
Published in European journal of pure and applied mathematics (30.04.2023)

by Fitri, Sa'adatul, Muslikh, Mohamad
Published in International journal of mathematical analysis (2017)

by Ekayanti, Arta, Marjono, Marjono, Muslikh, Mohamad, Fitri, Sa'adatul
Published in European journal of pure and applied mathematics (01.04.2024)

Published in Advances in fixed point theory (2023)