Christina Maryeni, Margareta Ratnaningdyah, Yasintha Dyah, Widhi Hartono, Florentinus Nico Dampitara, & Flora Maharani. (2019). Star kids 1: A series of theme-based english text books for the students of elementary school (Revised Edition, Cetakan pertama, 2019.). Yogyakarta: Kanisius.

Christina Maryeni, Margareta Ratnaningdyah, Yasintha Dyah, Widhi Hartono, Florentinus Nico Dampitara, and Flora Maharani. Star Kids 1: A Series of Theme-based English Text Books for the Students of Elementary School. Revised Edition, Cetakan pertama, 2019. Yogyakarta: Kanisius, 2019.

Christina Maryeni, et al. Star Kids 1: A Series of Theme-based English Text Books for the Students of Elementary School. Revised Edition, Cetakan pertama, 2019. Yogyakarta: Kanisius, 2019.