Widya Sari, I., and Rina Yulviana. “The Effectiveness of Loving Massage on Sleep Quality in Third Trimester Pregnant Women at Pmb Deliana, Marpoyan Damai District, Pekanbaru City in 2020”. Journal of Midwifery and Nursing, vol. 3, no. 1, Jan. 2021, pp. 26-29, https://iocscience.org/ejournal/index.php/JMN/article/view/1149.