Yohanis F. Tipawael, Korinus Suweni and Ardhanari Hendra (2021) “Progressive Muscle Relaxation Therapy as an Alternative for Managing Stress During the COVID-19 Pandemic in Yapen Islands Regency”, Proceeding International Conference Of Innovation Science, Technology, Education, Children And Health, 1(1), pp. 145–152. doi: 10.62951/icistech.v1i1.103.