W. Kodir, Muhammad Fatan Usamah, Panji Wiyo Utomo, and Sri Purwati, “ANALISIS WILLINGNESS TO ACCEPT TERHADAP PEMILAHAN SAMPAH BOTOL PLASTIK KEMASAN AIR MINERAL 600 ML DI SOLO RAYA”, LPPM. ITEBA, vol. 2, no. 1, pp. 7–12, Dec. 2023.