[1]
Radempta Elfrida Panjaitan, Roy Sahputra Saragih, Hendri Abdiel Simbolon, and Hengki Mangiring Parulian Simarmata, “Eco-Innovation as a Bridge between Green Economy Practices and Sustainable Performance of Tourism MSMEs in Lake Toba”, makreju, vol. 4, no. 3, pp. 199–226, Aug. 2026.