978-958-777-075-9 | 4 th grade elementary units 1 and 2 Bilingual Bimestre 1 | Santillana Sistemas Educativos | Angela Padrón Ann Stekelberg Clarita Kohen Cristina Zarzuelo Hamish Urqhhart Jennifer Farrington Jenny Rohd Kathryn Lucas Lauren Robbins Linda Guardia Jackson María Elena Accinelli Michael O'leary Nicola Jane Graham Shelia Guzmán Emiliano López Ordás Marco Baldi María Wernicke Monica Delgado | 2015 |
978-958-777-074-2 | 3 rd grade elementary units 1 and 2 Bilingual Bimestre 1 | Santillana Sistemas Educativos | Ann Stekelberg Carmen Rodriguez Clarita Kohen Cristina Zarzuelo David Sánchez Janette Young Jenny Rohd José Manuel Cerezo Kim Milne Mary Jew Patricia Acosta Cristian Bernardini Emiliano López Ordás Esteban Alfaro Facundo Tello Marcela Gómez María Wernicke Wally Rodríguez | 2015 |
978-958-777-073-5 | 2 nd grade elementary units 1 and 2 Bilingual Bimestre 1 | Santillana Sistemas Educativos | Ana Uguina Cristina Zarzuelo David Sánchez Dominic Wright Irene García Jennifer Farrington Jenny Rohd Joan Morris José Manuel Cerezo Liz Domoney Magaly Lavadenz Maite Malagón Marta Sánchez Sarah Fash Alejandra Lunik Félix León Guillermo Graco Marcela Alejandra Calderón Marcela Gómez Marcela Lescarboura Mariano Epelbaum Mima Castro Rogelio Bonilla Valeria Rodriguez Do Campo | 2015 |