[1]
A. C. P. Siregar, E. Frida, M. Sinambela, M. Situmorang, S. Humaidi, dan Y. Darmawan, “Projection of Tourist Climate Comfort Level Period 2031-2050 in Caldera Toba Geopark”, J. Prisma. Sains, vol. 11, no. 2, hlm. 422–433, Apr 2023.