Anggraini, Riris, Saragih, Lenni, AND Eka, Ni. " TOPICAL EFFECTS OF ALOE VERA VEGETABLES EXTRACT OF 10%, AND 20% CONCENTRATION TOWARD THE CROSSOSCOPIC PICTURE OF FUEL GRADE II IN RATTUS NORVERCICUS RATS WISTAR SHEET" Jurnal Keperawatan Terapan (e-Journal) [Online], Volume 5 Number 1 (28 March 2019)