Febriana, R. “The Effect of Baby Spa on the Sleep Duration of Babies Aged 3-12 Months at Independent Midwife Practice (TPMB) Mrs. S, Karawang Regency, Indonesia”. Arkus, Vol. 9, no. 2, Sept. 2023, pp. 373-6, doi:10.37275/arkus.v9i2.389.