S. Gunawan, K. Karyati, S. Sarminah, and Karmini, “Comfort Index Based on Microclimate Conditions and Visitor Perceptions in Bukit Pelangi, Sangatta City: Indeks Kenyamanan Berdasarkan Kondisi Iklim Mikro dan Persepsi Pengunjung di Bukit Pelangi, Kota Sangatta”, perennial, vol. 22, no. 1, pp. 1–11, Dec. 2025.