Timor-Leste; East Timor ; Bilingual method ; Schrifterwerb (gesteuerter) ; Schriftspracherwerb (gesteuerter) ; Alphabetisierungsunterricht; Literacy (teaching of) ; Written language instruction ; Instruction (medium of) ; Medium of instruction ; Classroom communication; Instructional communication ; Schichtenspezifischer Sprachgebrauch; Kode (Soziolinguistik) ; Code (sociolinguistics) ; Amtssprache; Official language; National language ; Sprachenpolitik; Language management; Language politics ; Alternation (biling.) ; Language shift (biling.) ; Sprachwechsel (biling.) ; Sprachenwahl; Language choice; Diglossia ; Dreisprachige Erziehung; Trilingual education; Multilingual education ; Other varieties of Portuguese ; Bahasa Indonesia; Indonesian ; Tetum