Solikhin, M., W. Wahida, and Y. Mangera. “Analysis of Microclimate Engineering through Variations in The Addition of Mulch and Organic Coconut Coir Fertilizer in Shallot Cultivation”. Musamus AE Featuring Journal, Vol. 3, no. 1, Oct. 2020, pp. 7-15, https://ejournal.unmus.ac.id/index.php/ae/article/view/4801.