Austiyana, Mimin. “Tingkeban: Javanese Ritual During Pregnancy in Kalisari, Bojonegoro, East Java”. Muqoddima: Jurnal Pemikiran Dan Riset Sosiologi, vol. 2, no. 2, Dec. 2021, pp. 159-76, https://doi.org/10.47776/MJPRS.002.02.05.