Fulqan PU, Baidullah B. THE EFFECTIVENESS OF THE "LANCIPMAS–PRESISIMAS" MNEMONIC STRATEGY ON JUNIOR HIGH SCHOOL STUDENTS’ ACCURACY IN DISTINGUISHING PYRAMIDS AND PRISMS. jiem [Internet]. 2026Jul.30 [cited 2026Aug.1];8(2):1099-110. Available from: https://jurnal.stmikiba.ac.id/index.php/jiem/article/view/464