Indrayanti T, Eko Retnosari I. PENALARAN DALAM ESAI MAHASISWA UNIPA SURABAYA. JURNAL BASTRA [Internet]. 2017 Jun. 30 [cited 2026 Mar. 7];4(1):1-10. Available from: https://www.cebastra.org/ojs/index.php/BASTRA/article/view/63