belongsToMany(Mapel::class, 'alternatif_mapel'); } public function kurikulum() { return $this->belongsTo(Kurikulum::class, 'kurikulum_id'); } public function opsisubkriterias() { return $this->hasMany(OpsiSubkriteria::class); } public function hasilsaw() { return $this->hasMany(HasilSaw::class); } }