Irwan Saputra Batubara, Irma Bernadette S. Sitohang, Sandra Widaty, Hanny Nilasari, Aria Kekalih, Sari Chairunnisa. "Validity, reliability, and comparison of the Indonesian version of two baumann skin type indicator (BSTI) questionnaires." PLoS ONE (2026). https://doi.org/10.1371/journal.pone.0343028