Zainul Ikhwan, R. Hamdani Harahap, Lita Sri Andayani and Miswar Budi Mulya (2021) “Model of the Importance of Socio-Cultural in Waste Management on Penyengat Island”, Lakhomi Journal Scientific Journal of Culture, 2(4), pp. 142-147. doi: 10.33258/lakhomi.v2i4.532.