Rahmawati Y, Rita Fiantika F. Implementasi pembelajaran matematika berbasis green economy terhadap penalaran matematis siswa SD. IJLES [Internet]. 2026 Aug. 1 [cited 2026 Aug. 4];4(1):139-47. Available from: https://jurnal.piramidaakademi.com/index.php/ijles/article/view/263