“Implementation of the Clean and Green Sidoarjo Program Using the Quadruple Helix Concept Approach: Penerapan Program Sidoarjo Bersih Dan Hijau Dengan Menggunakan Pendekatan Konsep Quadruple Helix”. 2022. Indonesian Journal of Cultural and Community Development 12 (June): 10.21070/ijccd2022789. https://doi.org/10.21070/ijccd.v12i0.789.