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A Fuzzy Multi-Criteria Decision-Making Framework for Soil-Based Cultivation Block Selection in Citrus Orchards Adi Yusuf Arrasyid; Oka Ardiana Banaty; Adrinoviarini Adrinoviarini; Niken Ayu Widya Ningrum
Nusantara Journal of Artificial Intelligence and Information Systems Vol. 2 No. 1 (2026): June
Publisher : Faculty of Engineering and Computer Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47776/nuai.v2i1.2065

Abstract

Selecting the optimal cultivation block in a multi-plot citrus orchard is a hard multi-criteria problem when the soil criteria mix categorical and numerical measurements. Descriptors like Munsell color, soil structure, and consistency sit alongside numerical pH, and conventional agronomic assessment offers no systematic way to weigh them against each other. This study builds a decision support system (DSS) that pairs the fuzzy analytic hierarchy process (FAHP) with two ranking methods, TOPSIS and Simple Additive Weighting (SAW). A rule-based triangular fuzzy number (TFN) protocol first converts the categorical descriptors into numerical inputs through documented rules. Field data came from seven plots across five citrus variety blocks at IP2SIP Tlekung, BRMP Jestro, Batu, East Java, covering texture, structure, color, consistency, and pH. FAHP weights gave a consistency ratio (CR) of 0.0446. Both TOPSIS and SAW ranked plot A1 (Keprok Batu 55 II, 4-year stand) first and A2 (Keprok Batu 55 I, 15-year stand) last, with Spearman ρ = 0.8929 (p = 0.0068). The top and bottom ranks were held across all 10 sensitivity scenarios. The framework gives orchard managers a reproducible way to prioritize block-level soil intervention, marking A1 as the benchmark block and A2 as the priority for pH correction.
Johannes van der Steur's Humanistic Thinking: Efforts to Educate Neglected Children Pina Dhea Tafana; Rhoma Dwi Aria Yuliantri; Miftahuddin; Adi Yusuf Arrasyid
Entita: Jurnal Pendidikan Ilmu Pengetahuan Sosial dan Ilmu-Ilmu Sosial Vol. 8 No. 1 (2026)
Publisher : IAIN Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19105/ejpis.v8i1.22606

Abstract

This study examines the life and humanitarian legacy of Johannes van der Steur, widely known as the “Father of Humanity” in Magelang, and analyzes his work through Abraham Maslow’s humanistic theory. Using Kuntowijoyo’s historical method, the research follows five stages: topic selection, heuristics, verification, interpretation, and historiography. Data were collected from personal diaries, biographies, KITLV archives, and historical artifacts. The findings show that Van der Steur’s humanitarian mission was driven by deep concern for abandoned and vulnerable children during the Dutch colonial period. Through the establishment of the Oranje Nassau Orphanage, he developed a systematic approach that addressed children’s physiological, safety, social, esteem, and self-actualization needs. Analysis based on Maslow’s hierarchy of needs reveals that Van der Steur’s practices embodied key humanistic principles decades before the publication of A Theory of Human Motivation in 1943. His efforts extended beyond charity by creating a supportive environment that promoted dignity, personal growth, and social integration. This study concludes that Van der Steur’s legacy reflects the humanistic belief in the inherent potential of every individual and demonstrates the transformative role of education and care in fostering self-actualization.