Lapotulo, Nensi, et al. “EDUKASI PSIKOLOGI PELAYANAN TAMU: MEMBEKALI SISWA MAGANG SMK DI FOUR POINTS BY SHERATON BATAM”. Batara Wisnu : Indonesian Journal of Community Services, vol. 5, no. 1, Mar. 2025, pp. 346-55, doi:10.53363/bw.v5i1.374.