Techno-Economic Analysis of Solar Hydrogen Hybrid Systems with In-Situ and Ex-Situ Hydrogen Production Approaches in Monggis Substation, Sabah, Malaysia. - Clareena, Vritney; Jalisa, Arlinnie Bibiana; Jasmin Adil, Nur Lyana; Alfeuz, Abel; Jaini, Siti Nurfadilah; Ismail, Mohd Azlan (Environmental Research, Engineering & Management / Aplinkos Tyrimai, Inžinerija ir Vadyba, 2026)