“Analysis of Mangrove Stress Levels Using the NDRE Index and SPAD Chlorophyll Sensor in the Air Telang Mangrove Reserve: Analisis Tingkat Stres Mangrove Menggunakan Pendekatan Indeks NDRE dan Sensor SPAD di Kawasan Hutan Lindung Air Telang” (2025) Journal of Global Sustainable Agriculture, 5(3), pp. 189–197. doi:10.32502/jgsa.v5i3.1001.