FIDIYAWATI, HETI. 2012. “KAJIAN AKTIVITAS BENTONIT SEBAGAI MATRIKS DALAM SEDIAAN FARMASI TABIR SURYA TURUNAN SINAMAT (STUDY OF BENTONIT ACTIVITY AS MATRIX IN SUNSCREEN PHARMACY OF CINNAMIC DERIVATIVE)”. Unesa Journal of Chemistry 1 (1). https://doi.org/10.26740/ujc.v1n1.p%p.