TJAHYATI, Hermin. Penggunaan Kapur + Pozzolan Trass Pada Stabilitas Tanah Lempung. Jurnal Jalan Jembatan, [S. l.], n. 4, p. 31–34, 1987. Disponível em: https://binamarga.pu.go.id/jurnal/index.php/jurnaljalanjembatan/article/view/527. Acesso em: 12 oct. 2025.