Salahudin, Wahid, Ismoyo Aji Sasmita, Al Barra Harahap, and Nike Dwi Grevika Drantantiyas. 2026. “Crowd Heatmap Detection at Elephant Park During COVID-19 Using SSD Object Detection”. Jurnal Teknologi Riset Terapan 4 (1):15-32. https://doi.org/10.35912/jatra.v4i1.7215.