A. R. . Amrullah, M. H. . Firmansyah, L. . Hakim, A. C. . Ferdiansyah, and M. W. . Ummah, “THE INFLUENCE OF THE CONCEPT OF PERSONAL SPACE ON VISITOR ACTIVITIES IN APSARI PARK SURABAYA”, adbe, vol. 4, no. 1, pp. 61–72, Dec. 2024.