ZULVIA MISYKAH; PUTRI SARI ULFA SEMBIRING; DEWI SARTIKA PANGGABEAN; FIRA YUNIA. THE INFLUENCE OF PROBLEM- BASED LEARNING MODELS AND SELF-CONCEPT ON HIGHER ORDER THINKING ABILITIES (HOTS). Jurnal Scientia, v. 12, n. 04, p. 334-337, 29 Oct. 2023.