Arismunandar, A. et al. 2024. Needs Analysis for Design Optimization Psychoeducative Guidance Service Device in Elementary School. QALAMUNA: Jurnal Pendidikan, Sosial, dan Agama. 16, 2 (Dec. 2024), 1351–1368. DOI:https://doi.org/10.37680/qalamuna.v16i2.6066.