Purwanto, B. H., Wulandari, P., Sulistyaningsih, E., Utami, S. N. H., & Handayani, S. Improved Corn Yields When Humic Acid Extracted from Composted Manure Is Applied to Acid Soils with Phosphorus Fertilizer. Wiley.
Chicago Style (17th ed.) CitationPurwanto, Benito H., Putri Wulandari, Endang Sulistyaningsih, Sri N. H. Utami, and Suci Handayani. Improved Corn Yields When Humic Acid Extracted from Composted Manure Is Applied to Acid Soils with Phosphorus Fertilizer. Wiley.
MLA (9th ed.) CitationPurwanto, Benito H., et al. Improved Corn Yields When Humic Acid Extracted from Composted Manure Is Applied to Acid Soils with Phosphorus Fertilizer. Wiley.
Warning: These citations may not always be 100% accurate.