4 1 10 Smile 6 for Elementary School Sixth Grade : Student's Book Ratna Setyowati Putri Additional Author Fidelia Ratri Yojani Additional Author mixed material 9789797348434 Jakarta Esis 2006 Smile 2 for Elementary School Sixth Grade : Student's Book Ratna Setyowati Putri Additional Author Fidelia Ratri Yojani Additional Author mixed material 9789797348397 Jakarta Esis 2006 Smile - Smart Move in Learning English for Elementary School Grade Six Student's Book (KTSP Standar Isi 2006) Ratna Setyowati Putri Additional Author Fidelia Ratri Yojani Additional Author mixed material 9797348431 Esis 2006 Smile - Smart Move in Learning English for Elementary School Second Grade Student's Book (KTSP Standar Isi 2006) Ratna Setyowati Putri Additional Author Fidelia Ratri Yojani Additional Author mixed material 9797348393 Esis 2006