by Operma, Sukron, Wilis, Ratna, Anas, Fitri Yanti
Published in GeoEco (09.01.2024)

by Andriani, Andriani, Wilis, Ratna
Published in AcTion (Banda Aceh, Indonesia) (01.12.2018)

by Wilis, Ratna
Published in AcTion (Banda Aceh, Indonesia) (03.11.2017)

by Wilis, Ratna, Andriani, Andriani
Published in AcTion (Banda Aceh, Indonesia) (20.05.2017)

by Nofrion, Nofrion, Wijayanto, Bayu, Wilis, Ratna, Novio, Rery
Published in Jurnal Geografi (Medan) (Online) (27.08.2018)

by Wilis, Ratna, Hendra Al Rahmad, Agus
Published in Jurnal Vokasi Kesehatan (15.04.2018)

by Chandra, Deded, Wilis, Ratna, Frananda, Hendry, Rahmi, Lailatur, Arif, Dian Adhetya, Wijayanto, Bayu, Putra, Aprizon
Published in Pedagogia (Online) (Sidoarjo) (01.11.2019)

by Wilis, Ratna, Barlian, Eri, Hermon, Dedi, Dewata, Indang, Umar, Iswandi
Published in International Journal of Management and Humanities (15.05.2020)

by Imran, Herry, Kurniawati, Nia, Amiruddin, Amiruddin, Nurdin, Nurdin, Wirza, Wirza, Wilis, Ratna
Published in Open access Macedonian journal of medical sciences (14.04.2022)

by Andriani, Andriani, Wilis, Ratna, Liana, Intan, Keumala, Cut Ratna, Mardelita, Sisca, Zahara, Elfi
Published in Open access Macedonian journal of medical sciences (25.01.2021)

by Wilis, Ratna, Keumala, Cut Ratna
Published in Jurnal SAGO Gizi dan Kesehatan (05.12.2023)

by Dahar, Ratna Wilis
Published in Jurnal Pengajaran MIPA (03.12.2015)

by Keumala, Cut Ratna, Ratna Wilis
Published in Science Midwifery (16.08.2022)

by Imran, Herry Hasan, Niakurniawati, Niakurniawati, Wilis, Ratna
Published in Jurnal Kreativitas Pengabdian Kepada Masyarakat (PKM) (01.06.2023)

by Wilis, Ratna, Andriani, Andriani
Published in Jurnal SAGO Gizi dan Kesehatan (09.03.2020)

by Imran, Herry, Wilis, Ratna, Nasri, Nasri, Niakurniawati, Niakurniawati
Published in Jurnal SAGO Gizi dan Kesehatan (26.08.2024)

by Fadhil, Ahmad, Wilis, Ratna
Published in JURNAL BUANA (30.09.2019)

by Ramahdana, Resty, Wilis, Ratna
Published in JURNAL BUANA (31.05.2019)

by Saputra, Widodo, Wilis, Ratna
Published in JURNAL BUANA (31.03.2019)

by Al Rahmad, Agus Hendra, Ichsan, Ichsan, Wilis, Ratna
Published in Poltekita : Jurnal Ilmu Kesehatan (25.05.2023)