Sinaga, Hommy Dorthy Ellyany, et al. “Developing the Creativity of Dharma Wanita Persatuan through Ecoprint at HAMS Hospital”. Jurnal IPTEK Bagi Masyarakat, vol. 1, no. 2, Dec. 2021, pp. 74-80, doi:10.55537/jibm.v1i2.34.