Rahayu, Budi, Mieke Miarsyah, and Ratna Komala. “THE EFFECT OF GROUP INVESTIGATION BY SIGIL AND LEARNING MOTIVATION TOWARD BIOLOGY LEARNING OUTCOMES”. International Journal of Engineering Technologies and Management Research 6, no. 7 (July 31, 2019): 46–51. Accessed February 2, 2026. https://granthaalayahpublication.org/ijetmr-ojms/ijetmr/article/view/05_IJETMR19_A07_1134.