Kiky, Andreas. 2020. “ENDOWMENT EFFECT DURING COVID-19 IN INDONESIA - BEHAVIORAL STUDY ON UNIVERSITY STUDENT’S PERCEPTION FOR MEDICAL MASK PRICE”. Ultima Management : Jurnal Ilmu Manajemen 12 (2), 248-60. https://doi.org/https://doi.org/10.31937/manajemen.v12i2.1752.