R. P. Alti, M. . Chatri, I. Irdawati, and V. Vauzia, “The Effect of the Two Stay Two Stray Learning Model Based on a Scientific Approach to Student Competence in Biology Learning ”, jppipa, pendidikan ipa, fisika, biologi, kimia, vol. 9, no. 2, pp. 884–890, Feb. 2023.