Rangkuti AR. Implementation of CORE (Connecting, Organizing, Reflecting, Extending) Strategy on Students’ Connection Ability in Elementary Mathematics Subjects. JCGCS [Internet]. 27 April 2023 [dikutip 29 Oktober 2026];2(1):69-73. Tersedia pada: https://www.zia-research.com/index.php/jcgcs/article/view/144