, Y. L., & , D. E. H. (2013). STUDY OF WATER BALANCE AND WATER QUALITY ON HIDROLOGICAL SYSTEM OF BETON SPRING FOR WATER RESOURCE CONSERVATION IN DISTRICT PONJONG, GUNUNGKIDUL REGENCY. [Yogyakarta] : Universitas Gadjah Mada.
استشهاد بنمط شيكاغو, YUMI LESTARI, و Dr. Eko Haryono. STUDY OF WATER BALANCE AND WATER QUALITY ON HIDROLOGICAL SYSTEM OF BETON SPRING FOR WATER RESOURCE CONSERVATION IN DISTRICT PONJONG, GUNUNGKIDUL REGENCY. [Yogyakarta] : Universitas Gadjah Mada, 2013.
MLA استشهاد, YUMI LESTARI, و Dr. Eko Haryono. STUDY OF WATER BALANCE AND WATER QUALITY ON HIDROLOGICAL SYSTEM OF BETON SPRING FOR WATER RESOURCE CONSERVATION IN DISTRICT PONJONG, GUNUNGKIDUL REGENCY. [Yogyakarta] : Universitas Gadjah Mada, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.