“Increasing the Yield of Purple Corn (Zea Mays L.) through the Application of Compost Organic Fertilizer Enriched With Trichoderma”. International Journal of Sustainable Applied Sciences (IJSAS) 2, no. 5 (September 26, 2024): 467–474. Accessed October 13, 2025. https://penerbitjurnalinternasional.com/index.php/ijsas/article/view/608.