ROBBIA, A. Z.; YAHDI, Y.; DEWI, Y. K. Perbandingan Pengaruh Ekstrak Lidah Buaya (Aloe vera) dan Ekstrak Daun Sirih (Piper betle Linn) Terhadap Kualitas Produk Hand Soap. Jurnal Pijar Mipa, [S. l.], v. 16, n. 2, p. 228–234, 2021. DOI: 10.29303/jpm.v16i2.2452. Disponível em: https://jurnalfkip.unram.ac.id/index.php/JPM/article/view/2452. Acesso em: 30 jan. 2023.