“…Researchers also take the heuristic vee model because in this model students are required to be active in experimenting and exploring. It was found that in previous studies heuristic vee models succeeded in increasing students' understanding of mathematical concepts (Riantini, Wisna Ariawan, & Sariyasa, 2019), improve the ability to solve problems that are valid and effective (Putra, Purwanti, & Khoiriyah, 2018), problem solving skill (Rahman, Murnaka, & Wiyanti, 2018) , affective student in plant material (Perdana, 2018), positive effect on learning outcomes (Suardita, Garminah, & Renda, 2015), learning achievement (Hastuti, Mulyani, & Indriyanti, 2019), find meaning of all knowledge (Wijayanti, Mahadewi, & Parmiti, 2013), improve usability aspects (Ali Pramana Heuristik Vee, 2018), and online college websites (Hidayah, Yunita, & Setyaningsih, 2019).…”