“UJI STABILITAS FISIK GEL DARI EKSTRAK ETANOL KULIT BATANG KAYU JAWA (Lannea Coromandelica) PADA BASIS NA-CMC DAN KARBOPOL 934”. Journal of Pharmaceutical Science and Herbal Technology, vol. 4, no. 1, July 2019, pp. 18-21, https://ojs.institutnh.ac.id/index.php/jpsht/article/view/207.