Putri MK, Dellima BREM, Sari EK. UJI STABILITAS SIFAT FISIK GEL EKSTRAK KULIT BUAH KOPI DAN PENENTUAN KADAR SENYAWA AKTIFNYA: STABILITY TEST OF THE PHYSICAL PROPERTIES OF COFFEE FRUIT PEEL EXTRACT GEL AND DETERMINATION OF THE LEVELS OF ACTIVE COMPOUNDS. jkbth [Internet]. 2025 Feb. 25 [cited 2026 Jan. 30];25(1):6-18. Available from: https://www.ejurnal.universitas-bth.ac.id/index.php/P3M_JKBTH/article/view/1444