Boroumand Jazi , B. .; Mesgarzadeh Aghdam, L.; Sahavi , S. . Investigation of Monolingual German and Bilingual German–Persian Instruction Based on Vocabulary and Its Effect on Spoken Language. APES 2025, 3 (3), 1-9. https://doi.org/10.61838/japes.3.3.1.