4 1 20 Konsep dan Praktik Adang Suherman Additional Author Lutan rusli Primary Author Yudha M. Saputra Additional Author Rusli Ibrahim Additional Author mixed material Lutan rusli Additional Author Ibrahim rusli Additional Author Suherman adang Additional Author Saputra yudha Additional Author mixed material Lutan rusli Primary Author Ibrahim rusli Primary Author Suherman adang Primary Author Saputra yudha Primary Author mixed material Ibrahim, Rusli Primary Author mixed material 9793048107