Author

Najamuddin

3 papers indexed here

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Open access Sep 2026

Menyemai Islam di Tanah Wajo: Perjuangan Dakwah AGH Muhammad As’ad (1928-1952)

Penelitian ini mengkaji perjuangan dakwah AGH Muhammad As’ad dalam mengembangkan kehidupan keagamaan masyarakat Wajo pada tahun 1928–1952. Kajian berangkat dari kenyataan bahwa Islam telah lama dianut masyarakat Wajo, tetapi pada awal abad ke-20 pemahaman dan pengamalannya masih berinteraksi kuat dengan adat, tradisi l...

Andi Muh Hidayat Firman, Najamuddin, Rifal et al. · Journal of Education Technol... · 0 citations

Open access Aug 2026

A 4D hyperchaotic image encryption scheme using Circular Radius–Angle Transformation and bit-level permutation

With the rapid growth of digital data transmission, secure image encryption has become a critical requirement for protecting visual information against unauthorized access and cryptanalytic attacks. Existing chaotic-based encryption schemes often suffer from limited resistance to statistical and differential attacks du...

Mohammed Khalaf, U. U. Sheikh, Shahidatul Sadiah Binti Abdul Manan et al. · PLoS ONE · 0 citations

Open access Aug 2026

Variability of Coastal Upwelling and Its Correlation with El Niño Southern Oscillation (ENSO) in the Maluku Sea

Upwelling has important value for marine ecosystems and fisheries businesses because it can increase marine primary productivity and capture fisheries productivity. The objective of this research was to analyze the spatial and temporal variability of coastal upwelling in the Maluku Sea and its relationship to the El Ni...

Najamuddin, S. Nugraha, Martini Djamhur et al. · European Journal of Applied... · 0 citations