by Ropingi Ropingi
Published in Sepa (01.02.2021)

by Ropingi Ropingi
Published in Sepa (01.02.2021)

by Ropingi Ropingi, Agustono Agustono
Published in Sepa (01.02.2021)

by Ropingi Ropingi, Agustono Agustono
Published in Sepa (01.02.2021)

by Suhartati, Tati, Irawan, Andi, Ropingi, Hendri, Yandri, Yandri, Hadi, Sutopo
Published in Pure and applied chemistry (25.03.2024)

by Yandri, Yandri, Ropingi, Hendri, Suhartati, Tati, Hendri, John, Irawan, Bambang, Hadi, Sutopo
Published in Emerging science journal (01.06.2022)

by Yandri, Yandri, Astuti, Lupia Widya, Ropingi, Hendri, Suhartati, Tati, Irawan, Bambang, Hadi, Sutopo
Published in Pure and applied chemistry (27.05.2024)

by Yandri, Yandri, Ropingi, Hendri, Suhartati, Tati, Irawan, Bambang, Hadi, Sutopo
Published in Emerging science journal (01.10.2023)

by Yandri, Yandri, Ropingi, Hendri, Suhartati, Tati, Irawan, Bambang, Hadi, Sutopo
Published in Physical sciences reviews (07.03.2024)

by Suhartati, Tati, Prihatin, Antin S., Kurniati, Armidla N., Ropingi, Hendri, Yandri, Yandri, Hadi, Sutopo
Published in Emerging science journal (01.02.2024)

by Ropingi Ropingi, Dinar Asmarani
Published in Caraka Tani (2017) (01.04.2018)

by Hermawan, Andik, Ropingi, Ropingi
Published in Jurnal Mediakita (07.07.2017)

by Miqdam Abror, Ropingi, Khaerul Umam
Published in Jurnal Mediakita (30.01.2018)

by Ishaq, Ropingi El
Published in Komunika (Purwokerto) (01.03.2015)

by Sujatmiko, Bagus, El Ishaq, Ropingi
Published in Komunika (Purwokerto) (26.01.2017)

by Bagus Sujatmiko, Ropingi el Ishaq
Published in Komunika (Purwokerto) (01.01.2017)

by Nanda Mustika Furstin, Ahmad Subakir, Ropingi
Published in Jurnal Mediakita (30.07.2018)

by Umi Hanik Karimatunnisa, Ropingi, Zuhri Humaidi
Published in Jurnal Mediakita (30.01.2018)

by Ropingi, Ropingi, Agustono, Agustono, Yuliani, Triasih
Published in Jurnal ekonomi pembangunan (Surakarta, Indonesia) (01.12.2009)

by Agustono, Agustono, Ropingi, Ropingi, BJP, Catur Tunggal
Published in Caraka Tani (2017) (01.03.2009)