Dr. Djoni Hatidja, S.Si., M.Si.

Pendidikan

• 2025 Doktor, Universitas Sam Ratulangi, Ilmu Kelautan
• 2000 Magister, Institut Pertanian Bogor, Statistika
• 1994 Sarjana, Institut Pertanian Bogor, Statistika

Publikasi / Karya

• 2025 — Spatial and Temporal Analysis of Scad Fish (Decapterus spp.) Catches in the Sulawesi Sea in Relation to Oceanography Parameters Using a Generalized Additive Models. Egyptian Journal of Biology Aquatic and Fisheries (EJABF) (Scopus Q3), Volume 29, Issue 6, November 2025. DOI: 10.21608/EJABF.2025.389185.5945.
• 2024 — Pembuatan Website Profil dengan Foto 360 pada Gereja Katolik Hati Kudus Yesus Karombasan Manado Sebagai Media Informasi dan Pengenal Gereja. Journal of Social Science and Technology for Community Service (Sinta 5), Volume 5 No. 2, 2024.
• 2024 — Variability of sea surface temperature and chlorophyll distribution for detecting upwelling area in Seram sea waters and Buru island. AIP Conference Proceeding (Scopus Q4), Volume 3132, Issue 1, June 2024. DOI: 10.1063/5.0211314.
• 2024 — Geographically Weighted Regression Modeling with Adaptive Gaussian Kernel Weighting on GRDP in Indonesia. Jurnal Ilmiah Sains (Sinta 3), Vol. 24 No. 2, Oktober 2024.
• 2023 — Temporal Analysis of the Indian Scad (Decapterus spp.) Catches in the Sulawesi Sea Based on Sea Surface Temperature. AIP Conference Proceeding (Scopus Q4), 2694, 060001, 2023. DOI: 10.1063/5.0118324.
• 2024 — Temporal Analysis of the Indian Scad (Decapterus spp.) Catches in the Sulawesi Sea Based on Chlorophyl-a. AIP Conference Proceeding (Scopus Q4), On process (LoA).
• 2023 — Kernel Performance in Geographically Weighted Regression Model to Determine Factors Affecting Human Development Index in South Sulawesi Province. Jurnal Ilmiah Sains (Sinta 3), Vol. 23 No. 2, Oktober 2023. DOI: 10.35799/jis.v23i2.48867.
• 2022 — Application of the SARIMA Method in the Step Function Intervention to Predict the Number of Visitors at Londa Tourism Object. Jurnal Ilmiah Sains (Sinta 3), Vol. 22 No. 2, Oktober 2022. DOI: 10.35799/jis.v22i2.40961.
• 2022 — Identification of sea urchins in Melonguane coastal area using Multilayer Perceptron Neural Network. ILKOM Jurnal Ilmiah (Sinta 2), Vol. 14 No. 2, Agustus 2022. DOI: 10.33096/ilkom.v14i2.1208.169-177.
• 2021 — Keputusan Mahasiswa dalam Memilih Indekos dengan Analisis Faktor. Jurnal Ilmiah Sains (Sinta 3), Vol. 21 No. 2, Oktober 2021. DOI: 10.35799/jis.v21i2.28868.

Pengalaman Organisasi

• Wakil Dekan Bidang Kemahasiswaan dan Alumni FMIPA UNSRAT — 2014–2018
• Ketua Jurusan Matematika FMIPA UNSRAT — 2006–2014
• Sekretaris Jurusan Matematika FMIPA UNSRAT — 2006
• Ketua Tim Penyusun Borang Akreditasi dan Evaluasi Diri PS Matematika FMIPA UNSRAT (Terakreditasi Unggul) — 2024
• Tim Pengembangan Pembelajaran UNSRAT — 2023
• Ketua Tim Pengembang Kurikulum PS Matematika FMIPA UNSRAT — 2024
• Ketua Redaksi Jurnal Ilmiah Sains FMIPA UNSRAT — 2006–sekarang
• Anggota Tim Laboratorium Penjaminan Mutu FMIPA UNSRAT — 2018–sekarang
• Auditor Internal FMIPA UNSRAT — 2014–sekarang
• Ketua Bidang Organisasi dan Kaderisasi Dewan Pastoral Paroki Hati Kudus Yesus Karombasan, Manado — 2022–2028