Abdullah, T.F. et al. 2026. Development of the Al-Ḥuzn wa Al-Jazā’ Identification Instrument Based on the Thoughts of Abu Zayd al-Balkhī: Pengembangan Instrumen Identifikasi Al-Ḥuzn wa Al-Jazā’ Berdasarkan Pemikiran Abu Zayd al-Balkhī. Syifa al-Qulub : Jurnal Studi Psikoterapi Sufistik. 10, 2 (Jun. 2026), 59–73. DOI:https://doi.org/10.15575/saq.v10i2.54870.