“…(Stanley, 2021). Based on the literature review, the PjBL learning model can be integrated with SETS (Sudarmin, Sumarni, & Mursiti, 2019;Sumarni, Sudarmin, Sumarti & Kadarwati, 2022), STEM (Baran et al, 2021), and Ethno-STEM (Ariyatun, 2021;Reffiane, Sudarmin, Wiyanto & Saptono, 2021) to equip students with 21st-century skills. This research applies secondary metabolite learning with the Ethno-STEM PjBL approach because it can equip students with skills needed in the 21st century and conservational character.…”